Google Scholar profile at https://scholar.google.com/citations?user=RoyVswgAAAAJ&hl=en
H index = 49; 7972 citations since 2000
ORCID identifier: orcid.org/0000-0001-8128-6976
Download complete list of publications (PDF) or find all these publications at arXiv.org.

Refereed Publications (By Year or By Topic; 158 Total)

(Non-refereed publications can be found in the list of publications linked above)

By Year

2020
  • Li, K., Bogdanović, T. & Ballantyne, D.R., 2020, The Pairing Probability of Massive Black Holes in Merger Galaxies in the Presence of Radiative Feedback, The Astrophysical Journal, in press.
  • Baloković, M., Harrison, F.A., Madejski, G., Comastri, A., Ricci, C., Annuar, A., Ballantyne, D.R., Boorman, P., Brandt, W.N., Brightman, M., Gandhi, P., Kamraj, N., Koss, M.J., Marchesi, S., Marinucci, A., Masini, A., Matt, G., Stern, D. & Urry, C.M., 2020, NuSTAR Survey of Obscured Swift/BAT-selected Active Galactic Nuclei: II. Median High-energy Cutoff in Seyfert II Hard X-ray Spectra, The Astrophysical Journal, in press.
  • Speicher, J., Ballantyne, D.R. & Malzac, J., 2020, Cooling of Accretion Disc Coronae by Type I X-ray Bursts, Monthly Notices of the Royal Astronomical Society, Vol. 499, p. 4479.
  • Annuar, A., Alexander, D.M., Gandhi, P., Lansbury, G.B., Asmus, D., Baloković, M., Ballantyne, D.R., Bauer, F.E., Boorman, P.G., Brandt, W.N., Brightman, M., Chen, C.-T.J., Del Moro, A., Farrah, D., Harrison, F.A., Koss, M.J., Lanz, L., Marchesi, S., Masini, A., Nardini, E., Ricci, C., Stern, D. & Zappacosta, L., 2020, NuSTAR Observations of Four Nearby X-ray Faint AGN: Low Luminosity or Heavily Obscured?, Monthly Notices of the Royal Astronomical Society, Vol. 497, p. 229.
  • Ballantyne, D.R. & Xiang, X., 2020, Sustaining a Warm Corona in Active Galactic Nuclei Accretion Discs, Monthly Notices of the Royal Astronomical Society, Vol. 496, p. 4255.
  • Li, K., Bogdanović, T. & Ballantyne, D.R., 2020, Pairing of Massive Black Holes in Merger Galaxies Driven by Dynamical Friction, The Astrophysical Journal, Vol. 896, p. 113.
  • Fragile, P.C., Ballantyne, D.R. & Blankenship, A., 2020, Interactions of Type I X-ray Bursts with Thin Accretion Disks, Nature Astronomy, Vol. 4, p. 541.
  • Ballantyne, D.R., 2020, Examining the Physical Conditions of a Warm Corona in Active Galactic Nuclei Accretion Discs, Monthly Notices of the Royal Astronomical Society, Vol. 491, p. 3553.
2019
  • Bult, P., Jaisawal, G., Güver, T., Strohmayer, T.E., Altamirano, D., Arzoumanian, Z., Ballantyne, D.R., Chakrabarty, D., Chenevez, J., Gendreau, K.C., Guillot, S. & Ludlam, R.M., 2019, A NICER thermonuclear burst from the millisecond X-ray pulsar SAX J1808.4-3658, The Astrophysical Journal, Vol. 885, p. L1.
  • Jaisawal, G., Wilson-Hodge, C.A., Fabian, A.C., Naik, S., Chakrabarty, D., Kretschmar, P., Ballantyne, D.R., Ludlum, R.M., Chenevez, J., Altamirano, D., Arzoumanian, Z., Fürst, F., Gendreau, K.C., Guillot, S., Malacaria, C., Miller, J.M., Stevens, A.L. & Wolff, M.T., 2019, An evolving broad iron line from the first Galactic ultraluminous X-ray pulsar Swift J0243.6+6124, The Astrophysical Journal, Vol. 885, p. 19.
  • Avirett-Mackenzie, M.S. & Ballantyne, D.R., 2019, The evolving X-ray spectrum of active galactic nuclei: evidence for an increasing reflection fraction with redshift, Monthly Notices of the Royal Astronomical Society, Vol. 486, p. 3488.
  • Gohil, R., Ballantyne, D.R. & Li, G., 2019, The stellar remnants of high redshift nuclear starburst discs: a potential origin for nuclear star clusters?, Monthly Notices of the Royal Astronomical Society, Vol. 485, p. 2935.
  • Porquet, D., Done, C., Reeves, J.N., Grosso, N., Marinucci, A., Matt, G., Lobban, A., Nardini, E., Braito, V., Marin, F., Kubota, A., Ricci, C., Koss, M., Stern, D., Ballantyne, D. & Farrah, D., 2019, A deep X-ray view of the bare AGN Ark 120. V. Spin determination from disc-Comptonisation efficiency method, Astronomy & Astrophysics, Vol. 623, A11.
  • García, J.A., Kara, E., Walton, D., Beuchert, T., Dauser, T., Gatuzz, E., Balokovic, M., Steiner, J.F., Tombesi, F., Connors, R.M.T., Kallman, T.R., Harrison, F.A., Fabian, A., Wilms, J., Stern, D., Lanz, L., Ricci, C. & Ballantyne, D.R., 2019, Physical Implications of Warm Comptonization and Relativistic Reflection for the Soft Excess in AGN: The case of Mrk 509 Observed with NuSTAR and Suzaku, The Astrophysical Journal, Vol. 871, p. 88.
  • Yan, W., Hickox, R.C., Hainline, K.N., Stern, D., Lansbury, G., Alexander, D.M., Hviding, R.E., Assef, R., J., Ballantyne, D.R., Dipompeo, M.A., Lanz, L., Carroll, C.M., Koss, M., Lamberti, I., Civano, F., Del Moro, A., Gandhi, P. & Myers, A.D., 2019, NuSTAR and Keck Observations of Heavily Obscured Quasars Selected by WISE, The Astrophysical Journal, Vol. 870, p. 33.
  • Lanz, L., Hickox, R.C., Balokovic, M., Shimizu, T., Ricci, C., Goulding, A.D., Ballantyne, D.R., Bauer, F.E., Chen, C.-T. J., Del Moro, D., Farrah, D., Koss, M.J., LaMassa, S., Masini, A. & Zappacosta, L., 2019, Investigating the Covering Fraction Distribution of Swift/BAT AGN with X-ray and IR Observations, The Astrophysical Journal, Vol. 870, p. 26.
  • in’t Zand, J.J.M., Bozzo, E., Qu, J., Li, X.-D., Amati, L., Chen, Y., Donnarumma, I., Doroshenko, V., Drake, S. A., Hernanz, M., Jenke, P.A., Maccarone, T.J., Mahmoodifar, S., de Martino, D., De Rosa, A., Rossi, E.M., Rowlinson, A., Sala, G., Stratta, G., Tauris, T.M., Wilms, J., Wu, X., Zhou, P., Agudo, I., Altamirano, D., Atteia, J.-L., Andersson, N.A., Baglio, M.C., Ballantyne, D.R., Baykal, A., Behar, E., Belloni, T., Bhattacharyya, S., Bianchi, S., Bilous, A., Blay, P., Braga, J., Brandt, S., Brown, E.F., Bucciantini, N., Burderi, L., Cackett, E.M., Campana, R., Campana, S., Casella, P., Cavecchi, Y., Chambers, F., Chen, L., Chen, Y.P., Chenevez, J., Chernyakova, M., Jin, C., Ciolfi, R., Costantini, E., Cumming, A., D’Aì, A., Dai, Z.G., D’Ammando, F., De Pasquale, M., Degenaar, N., Del Santo, M., D’Elia, V., Di Salvo, T., Doyle, G., Falanga, M., Fan, X., Ferdman, R.D., Feroci, M., Fraschetti, F., Galloway, D.K., Gambino, A.F., Gandhi, P., Ge, M., Gendre, B., Gill, R., Götz, D., Gouiffès, C., Grandi, P., Granot, J., Güdel, M., Heger, A., Heinke, C.O., Homan, J., Iaria, R., Iwasawa, K., Izzo, L., Ji, L., Jonker, P.G., José, J., Kaastra, J.S., Kalemci, E., Kargaltsev, O., Kawai, N., Keek, L., Komossa, S., Kreykenbohm, I., Kuiper, L., Kunneriath, D., Li, G., Liang, E.W., Linares, M., Longo, F., Lu, F., Lutovinov, A.A., Malyshev, D., Malzac, J., Manousakis, A., McHardy, I., Mehdipour, M., Men, Y., Méndez, M., Mignani, R.P., Mikusincova, R., Miller, M.C., Miniutti, G., Motch, C., Nättilä, J., Nardini, E., Neubert, T., O’Brien, P.T., Orlandini, M., Osborne, J.P., Pacciani, L., Paltani, S., Paolillo, M., Papadakis, I.E., Paul, B., Pellizzoni, A., Peretz, U., Perez Torres, M.A., Perinati, E., Prescod-Weinstein, C., Reig, P., Riggio A., Rodriguez, J., Rodrguez-Gil, P., Romano, P., R oza nska, A., Sakamoto, T., Salmi, T., Salvaterra, R., Sanna, A., Santangelo, A., Savolainen, T., Schanne, S., Schatz, H., Shao, L., Shearer, A., Shore, S.N., Stappers, B.W., Strohmayer, T.E., Suleimanov, V.F., Svoboda, J., Thielemann, F.-K., Tombesi, F., Torres, D.F., Torresi, E., Turriziani, S., Vacchi, A., Vercellone, S., Vink, J., Wang, J.-M., Weng, J., Watts, A.L., Weng, S., Weinberg, N.N., Wheatley, P.J., Wijnands, R., Woods, T.E., Woosley, S.E., Xiong, S., Xu, Y., Yan, Z., Younes, G., Yu, W., Yuan, F., Zampieri, L., Zane, S., Zdziarski, A., Zhang, S.-N., Zhang, S., Zhang, S., Zhang, X. & Zingale, M., 2019, Observatory Science with eXTP, Sci. China Phys. Mech. Astron., Vol. 62, p., 29506
2018
  • Fragile, P.C., Ballantyne, D.R., Maccarone, T.J. & Witry, J.W.L., 2018, Simulating the Collapse of a Thick Accretion Disk due to a Type I X-ray Burst from a Neutron Star, The Astrophysical Journal, Vol. 867, p. L28.
  • Buisson, D.J.K., Parker, M.L., Kara, E., Vasudevan, R.V., Lohfink, A.M., Pinto, C., Fabian, A.C., Ballantyne, D.R., Boggs, S.E., Christensen, F.E., Craig, W.W., Farrah, D., Hailey, C.J., Harrison, F.A., Ricci, C., Stern, D., Walton, D.J., Zhang, W.W., 2018, NuSTAR observations of Mrk 766: distinguishing reflection from absorption, Monthly Notices of the Royal Astronomical Society, Vol. 480, p. 3689.
  • Ursini, F., Petrucci, P.-O., Matt, G., Bianchi, S., Cappi, M., Dadina, M., Grandi, P., Torresi, E., Ballantyne, D.R., De Marco, B., De Rosa, A., Giroletti, M., Malzac, J., Marinucci, A., Middei, R., Ponti, G. & Tortosa, A., 2018, Radio/X-ray monitoring of the broad-line radio galaxy 3C 382. High-energy view with XMM-Newton and NuSTAR, Monthly Notices of the Royal Astronomical Society, Vol. 478, p. 2663.
  • Masini, A., Ciavno, F., Comastri, A., Fornasini, F., Ballantyne, D.R., Lansbury, G., Treister, E., Alexander, D.M., Boorman, P.G., Brandt, W.N., Farrah, D., Gandhi, P., Harrison, F.A., Hickox, R.C., Kocevski, D.D., Lanz, L., Marchesi, S., Puccetti, S., Ricci, C., Saez, C., Stern, D. & Zappacosta, L., 2018, The NuSTAR Extragalactic Surveys: Source Catalog and the Compton-Thick Fraction in the UDS Field, The Astrophysical Journal Supplement Series, Vol. 235, p.17.
  • Singal, J., Haider, J., Ajello, M., Ballantyne, D. R., Bunn, E., Condon, J., Dowell, J., Fixsen, D., Fornengo, N., Harms, B., Holder, G., Jones, E., Kellermann, K., Kogut, A., Linden, T., Monsalve, R., Mertsch, P., Murphy, E., Orlando, E., Regis, M., Scott, D., Vernstrom, T. & Xu, L., 2018, The Radio Synchrotron Background: Conference Summary and Report, Publications of the Astronomical Society of the Pacific, Vol. 130, p. 036001.
  • Gohil, R. & Ballantyne, D.R., 2018, The Shape of the Cosmic X-ray Background: Nuclear Starburst Discs and the Redshift Evolution of AGN Obscuration, Monthly Notices of the Royal Astronomical Society, Vol. 475, p. 3543.
  • Zappacosta, L., Comastri, A., Civano, F., Puccetti, S., Fiore, F., Aird, J., Del Moro, A., Lansbury, G.B., Lanzuisi, G., Goulding, A., Mullaney, J.R., Stern, D., Ajello, M., Alexander, D.M., Ballantyne, D.R., Bauer, F.E., Brandt, W.N., Chen, C.-T.J., Farrah, D., Harrison, F.A., Gandhi, P., Lanz, L., Masini, A., Marchesi, S., Ricci, C. & Treister, E., 2018, The NuSTAR Extragalactic Surveys: X-ray Spectroscopic Analysis of the Bright Hard-Band Sample, The Astrophysical Journal, Vol. 854, p. 33.
  • Porquet, D., Reeves, J.N., Matt, G., Marinucci, A., Nardini, E., Braito, V., Lobban, A., Ballantyne, D.R., Boggs, S.E., Christensen, F.E., Dauser, T., Farrah, D., Garcia, J., Hailey, C.J., Harrison, F., Stern, D., Tortosa, A., Ursini, F. & Zhang, W.W., 2018, A deep X-ray view of the bare AGN Ark 120. IV. XMM-Newton and NuSTAR spectra dominated by two temperature (warm, hot) Comptonization processes, Astronomy & Astrophysics, Vol. 609, p. A42.
  • Degenaar, N., Ballantyne, D.R., Belloni, T., Chakraborty, M., Chen, Y.-P., Ji, L., Kretschmar, P., Kuulkers, E., Li, J., Maccarone, T.J., Malzac, J., Zhang, S. & Zhang, S.-N., 2018, Accretion Disks and Coronae in the X-ray Flashlight, Space Science Reviews, Vol. 214, p. 15.
  • Sartori, L.F., Schawinski, K, Koss, M.J., Ricci, C., Treister, E., Stern, D., Lansbury, G., Maksym, W.P., Baloković, M., Gandhi, P., Keel, W.C. & Ballantyne, D.R., 2018, Joint NuSTAR and Chandra analysis of the obscured quasar in IC 2494 – Hanny’s Voorwerp system, Monthly Notices of the Royal Astronomical Society, Vol. 474, p. 2444.
2017
  • Del Moro, A., Alexander, D.M., Aird, J.A., Bauer, F.E., Civano, F., Mullaney, J.R., Ballantyne, D.R., Brandt, W.N., Comastri, A., Gandhi, P., Harrison, F.A., Lansbury, G.B., Lanz, L., Luo, B., Marchesi, S., Puccetti, S., Ricci, C., Saez, C., Stern, D., Treister, E. & Zappacosta, L., 2017, The NuSTAR Extragalactic Survey: Average Broad-band X-ray Spectral Properties of the NuSTAR Detected AGN, The Astrophysical Journal, Vol. 849, p. 57.
  • Ballantyne, D.R., 2017, Ionised Accretion Discs in Active Galactic Nuclei: The Effects of a Lamppost with a Variable Height, Monthly Notices of the Royal Astronomical Society Letters, Vol. 472, p. L60.
  • Lansbury, G.B., Alexander, D.M., Aird, J., Gandhi, P., Stern, D., Koss, M., Ajello, M., Assef, R.J., Ballantyne, D.R., Baloković, M., Bauer, F.E., Brandt, W.N., Brightman, M., Chen, C.-T.J., Civano, F., Comastri, A., Del Moro, A., Fuentes, C., Harrison, F.A., Marchesi, S., Masini, A., Mullaney, J.R., Ricci, C., Saez, C., Tomsick, J.A., Treister, E., Walton, D.J. & Zappacosta, L., 2017, The NuSTAR Serendipitous Survey: Hunting for the Most Extreme Obscured AGN at > 10 keV, The Astrophysical Journal, Vol. 846, p. 20.
  • Brightman, M., Baloković, M., Ballantyne, D.R., Bauer, F.E., Boorman, P., Buchner, J., Brandt, W.N., Comastri, A., Del Moro, A., Farrah, D., Harrison, F.A., Koss, M., Lanz, L., Masini, A., Ricci, C., Stern, D., Vasudevan, R. & Walton, D.J., 2017, X-ray Bolometric Corrections for Compton-Thick Active Galactic Nuclei, The Astrophysical Journal, Vol. 844, p. 10.
  • Lohfink, A.M., Fabian, A.C., Ballantyne, D.R., Boggs, S.E., Boorman, P., Christensen, F.E., Craig, W.W., Farrah, D., García, J., Hailey, C.J., Harrison, F.A., Ricci, C., Stern, D. & Zhang, W.W., 2017, The X-Ray Reflection Spectrum of the Radio-Loud Quasar 4C 74.26, The Astrophysical Journal, Vol. 841, p. 80.
  • Gohil, R. & Ballantyne, D.R., 2017, Modeling the Vertical Structure of Nuclear Starburst Discs: A Possible Source of AGN Obscuration at z~1, Monthly Notices of the Royal Astronomical Society, Vol. 468, p. 4944.
  • Annuar, A., Alexander, D.M., Gandhi, P., Lansbury, G.B., Asmus, D., Ballantyne, D.R., Bauer, F.E., Boggs, S.E., Boorman, P.G., Brandt, W.N., Brightman, M., Christensen, F.E., Craig, W.W., Farrah, D., Goulding, A.D., Hailey, C.J., Harrison, F.A., Koss, M.J., LaMassa, S.M., Murray, S.S., Ricci, C., Rosario, D.J., Stanley, F., Stern, D. & Zhang, W., 2017, A New Compton-Thick AGN in Our Cosmic Backyard: Unveiling the Buried Nucleus in NGC 1448 with NuSTAR, The Astrophysical Journal, Vol. 836, p. 165.
  • Tortosa, A., Marinucci, A., Matt, G., Bianchi, S., La Franca, F., Ballantyne, D.R., Boorman, P.G., Fabian, A.C., Farrah, D., Fuerst, F., Gandhi, P., Harrison, F.A., Koss, M.J., Ricci, C., Stern, D., Ursini, F. & Walton, D.J., 2017, Broadband X-ray spectral analysis of the Seyfert 1 galaxy GRS 1734-292, Monthly Notices of the Royal Astronomical Society, Vol. 466, p. 4193.
  • Keek, L., Iwakiri, W., Serino, M., Ballantyne, D.R., in ‘t Zand, J.J.M. & Strohmayer, T.E., 2017, X-ray Reflection and an Exceptionally Long Thermonuclear Helium Burst from IGR J17062-6143, The Astrophysical Journal, Vol. 836, p. 111.
  • Zoghbi, A., Matt, G., Miller, J.M., Lohfink, A.M., Walton, D.J., Ballantyne, D.R., García, J.A., Stern, D., Koss, M.J., Farrah, D., Harrison, F.A., Boggs, S.E., Christensen, F.E., Craig, W., Hailey, C.J. & Zhang, W.W., 2017, A Long Look at MCG-5-23-16 with NuSTAR: I. – Relativistic Reflection and Coronal Properties, The Astrophysical Journal, Vol. 836, p. 2.
  • Lansbury, G., Stern, D., Aird, J., Alexander, D.M., Fuentes, C., Harrison, F.A., Treister, E., Bauer, F.E., Tomsick, J.A., Baloković, M., Del Moro, A., Gandhi, P., Ajello, M., Annuar, A., Ballantyne, D.R., Boggs, S.E., Brandt, W.N., Brightman, M., Chen, C.-T.J., Christensen, F.E., Civano, F., Comastri, A., Craig, W.W., Forster, K., Grefenstette, B.W., Hailey, C.J., Hickox, R.C., Jiang, B., Jun, H.D., Koss, M., Marchesi, S., Melo, A.D., Mullaney, J.R., Noirot, G., Schulze, S., Walton, D.J., Zappacosta, L. & Zhang, W.W., 2017, The NuSTAR Serendipitous Survey: The 40 Month Catalog and the Properties of the Distant High Energy X-ray Source Population, The Astrophysical Journal, Vol. 836, p. 99.
  • Ricci, C., Assef, R.J., Stern, D., Nikutta, R., Alexander, D.M., Asmus, D., Ballantyne, D.R., Bauer, F.E., Blain, A.W., Boggs, S., Boorman, P.G., Brandt, W.N., Brightman, M., Chen, C.-T.,J., Christensen, F.E., Comastri, A., Craig, W.W., Díaz-Santos, T., Eisenhardt, P.R., Farrah, D., Gandhi, P., Hailey, C.J., Harrison, F.A., Jun, H.D., Koss, M.J., LaMassa, S., Lansbury, G., Markwardt, C.B., Stalevski, M., Stanley, F., Treister, E., Tsai, C.-W., Walton, D.J., Wu, J.W. & Zhang, W.W., 2017, NuSTAR Observations of WISE J1036+0449, A Galaxy at z~1 Obscured by Hot Dust, The Astrophysical Journal, Vol. 835, p. 105.
  • Ballantyne, D.R., 2017, Clustering, Cosmology and a New Era of Black Hole Demographics – I. The Conditional Luminosity Function of Active Galactic Nuclei, Monthly Notices of the Royal Astronomical Society, Vol. 464, p. 613.
  • Ballantyne, D.R., 2017, Clustering, Cosmology and a New Era of Black Hole Demographics – II. The Conditional Luminosity Functions of Type 2 and Type 1 Active Galactic Nuclei, Monthly Notices of the Royal Astronomical Society, Vol. 464, p. 626.
2016
  • Boorman, P.G., Gandhi, P., Alexander, D.M., Annuar, A., Ballantyne, D.R., Bauer, F.E., Boggs, S.E., Brandt, W.N., Brightman, M., Christensen, F.E., Craig, W.W., Farrah, D., Hailey, C.J., Harrison, F.A., Hönig, S.F., Koss, M., LaMassa, S.M., Masini, A., Ricci, C., Risaliti, G., Stern, D. & Zhang, W.W., 2016, IC 3639 – A New Bona Fide Compton Thick AGN Unveiled by NuSTAR, The Astrophysical Journal, Vol. 833, p. 245.
  • Rujopakarn, W., Dunlop, J.S., Rieke, G.H., Ivison, R.J., Cibinel, A., Nyland, K., Jagannathan, P., Silverman, J.D., Alexander, D.M., Biggs, A.D., Bhatnagar, S., Ballantyne, D.R., Dickinson, M., Elbaz, D., Geach, J.E., Hayward, C.C., Kirkpatrick, A., McLure, R.J., Michałowski, M.J., Miller, N.A., Narayanan, D., Owen, F.N., Pannella, M., Papovich, C., Pope, A., Rau, U., Robertson, B.E., Scott, D., Swinbank, A.M., van der Werf, P., van Kampen, E. & Windhurst, R.A., 2016, VLA and ALMA Imaging of Intense, Galaxy-Wide Star Formation in z~2 Galaxies, The Astrophysical Journal, Vol. 833, p. 12.
  • Harrison, F.A., Aird, J., Civano, F., Lansbury, G., Mullaney, J.R., Ballantyne, D.R., Alexander, D.M., Stern, D., Ajello, M., Barret, D., Bauer, F.E., Baloković, M., Brandt, W.N., Brightman, M., Boggs, S.E., Christensen, F.E., Comastri, A., Craig, W.W., Del Moro, A., Forster, K., Gandhi, P., Giommi, P., Grefenstette, B.W., Hailey, C.J., Hickox, R.C., Hornstrup, A., Kitaguchi, T., Koglin, J., Luo, B., Madsen, K.K., Mao, P.H., Miyasaka, H., Mori, K., Perri, M., Pivovaroff, M., Puccetti, S., Rana, V., Treister, E., Walton, D., Westergaard, N.J., Wik, D., Zappacosta, L., Zhang, W.W. & Zoglauer, A., 2016, The NuSTAR Extragalactic Surveys: The Number Counts of Active Galactic Nuclei and the Resolved Fraction of the Cosmic X-ray Background, The Astrophysical Journal, Vol. 831, p. 185.
  • Farrah, D., Baloković, M., Stern, D., Harris, K., Alexander, D.M., Arévalo, P., Ballantyne, D.R., Bauer, F.E., Boggs, S., Brandt, W.N., Brightman, M., Christensen, F., Clements, D.L., Craig, W., Fabian, A., Hailey, C., Harrison, F., Koss, M., Kunimoto, M., Lansbury, G.B., Luo, B., Paine, J., Petty, S., Pitchford, K., Ricci, C., Walton, D.J. & Zhang, W., 2016, The Geometry of the Infrared and X-ray Obscurer in a Dusty Hyperluminous Quasar, The Astrophysical Journal, Vol. 831, p. 76.
  • Brightman, M., Masini, A., Ballantyne, D.R., Baloković, M., Brandt, W.N., Chen, C.-T., Comastri, A., Farrah, D., Gandhi, P., Harrison, F.A., Ricci, C., Stern, D. & Walton, D.J., 2016, A Growth-Rate Indicator for Compton-Thick Active Galactic Nuclei, The Astrophysical Journal, Vol. 826, p. 93.
  • Keek, L., Wolf, Z. & Ballantyne, D.R., 2016, Accretion Disk Signatures in Type I X-ray Bursts: Prospects for Future Missions, The Astrophysical Journal, Vol. 826, p. 79.
  • Koss, M.J., Assef, R., Baloković, M., Stern, D., Gandhi, P., Lamperti, I., Alexander, D.M., Ballantyne, D.R., Bauer, F.E., Berney S., Brandt, W.N., Comastri, A., Gehrels, N., Harrison, F.A., Lansbury, G., Markwardt, C., Ricci, C., Rivers, E., Schawinski, K., Trakhtenbtot, B., Treister, E. & Urry, C.M., 2016, A New Population of Compton-Thick AGNs Identified Using the Spectral Curvature Above 10 keV, The Astrophysical Journal, Vol. 825, p. 85.
  • Koss, M.J., Glidden, A., Baloković, M., Stern, D., Lamperti, I., Assef, R., Bauer, F., Ballantyne, D., Boggs, S.E., Craig, W.W., Farrah, D., Füerst, F., Gandhi, P., Gehrels, N., Hailey, C.J., Harrison, F.A., Markwardt, C., Masini, A., Ricci, C., Treister, E., Walton, D.J. & Zhang, W.W., 2016, NuSTAR Resolves the First Dual AGN Above 10 keV in SWIFT J2028.5+2543, The Astrophysical Journal, Vol. 824, L4.
  • Lanzuisi, G., Perna, M., Comastri, A., Cappi, M., Dadina, M., Marinucci, A., Masini, A., Matt, G., Vagnetti, F., Vignali, C., Ballantyne, D.R., Bauer, F.E., Boggs, S.E., Brandt, W.N., Brusa, M., Christensen, F.E., Craig, W.W., Fabian, A.C., Farrah, D., Hailey, C.J., Harrison, F.A., Luo, B., Piconcelli, E., Puccetti, S., Ricci, C., Saez, C., Stern, D., Walton, D.J. & Zhang, W.W., 2016, NuSTAR Reveals the Extreme Properties of the Super-Eddington Accreting SMBH in PG 1247+267, Astronomy & Astrophysics, Vol. 590, p., A77.
  • Masini, A., Comastri, A., Baloković, M. Zaw, I., Puccetti, S., Ballantyne, D.R., Bauer, F.E., Boggs, S.E., Brandt, W.N., Brightman, M., Christensen, F.E., Craig, W.W., Gandhi, P., Hailey, C.J., Harrison, F.A., Koss, M.J., Madejski, G., Ricci, C., Rivers, E., Stern, D. & Zhang, W.W., 2016, NuSTAR Observations of Water Megamaser AGN, Astronomy & Astrophysics, Vol. 589, p. A59.
  • Keek, L. & Ballantyne, D.R., 2016, Revealing the accretion disc corona in Mrk 335 with multi-epoch X-ray spectroscopy, Monthly Notices of the Royal Astronomical Society, Vol. 456, p. 2722.
2015
  • Aird, J., Alexander, D.M., Ballantyne, D.R., Civano, F., Del-Moro, A., Hickox, R.C., Lansbury, G.B., Mullaney, J.R., Bauer, F.E., Brandt, W.N., Comastri, A., Fabian, A.C., Gandhi, P., Harrison, F.A., Luo, B., Stern, D., Treister, E., Zappacosta, L., Ajello, M., Assef, R., Balkovic, M., Boggs, S.E., Brightman, M., Christensen, F.E., Craig, W.W., Elvis, M., Forster, K., Grefenstette, B.W., Hailey, C.J., Koss, M., LaMassa, S.M., Madsen, K.K., Puccetti, S., Saez, C., Urry, C.M., Wik, D.R. & Zhang, W., 2015, The NuSTAR Extragalactic Survey: First Direct Measurement of the > 10 keV X-ray Luminosity Function for Active Galactic Nuclei at z > 0.1, The Astrophysical Journal, Vol. 815, p. 66.
  • Annur, A., Gandhi, P., Alexander, D.M., Lansbury, G.B., Arévalo, P., Ballantyne, D.R., Baloković, M., Bauer, F.E., Boggs, S.E., Brandt, W.N., Brightman, M., Christensen, F.E., Craig, W.W., Del Moro, A., Hailey, C.J., Harrison, F.A., Hickox, R.C., Matt, G., Puccetti, S., Ricci, C., Rigby, J.R., Stern, D., Walton, D.J., Zappacosta, L & Zhang, W., 2015, NuSTAR Observations of the Compton-Thick Active Galactic Nucleus and Ultraluminous X-ray Source Candidate in NGC 5643, The Astrophysical Journal, Vol. 815, p. 36.
  • Lohfink, A.M., Tombesi, F., Walton, D., Balković, M., Zoghbi, A., Ballantyne, D.R., Boggs, S.E., Christensen, F.E., Craig, W.W., Fabian, A.C., Hailey, C.J., Harrison, F.A., King, A.L., Madjeski, G., Matt, G., Ogle, P., Reynolds, C.S., Stern, D., Ursini, F. & Zhang, W.W., 2015, The Corona of the Broad-Line Radio Galaxy 3C 390.3, The Astrophysical Journal, Vol. 814, p. 24.
  • Keek, L., Cumming, A., Wolf, Z., Ballantyne, D.R., Suleimanov, V.F., Kuulkers, E. & Strohmayer, T.E., 2015, The imprint of carbon combustion on a superburst from the accreting neutron star 4U 1636-536, Monthly Notices of the Royal Astronomical Society, Vol. 454, p. 3559.
  • Madsen, K.K., Fürst, F., Walton, D.J., Harrison, F.A., Ballantyne, D.R., Boggs, S.E., Brenneman, L.W., Christensen, F.E., Craig, W.W., Fabian, A.C., Forster, K., Grefenstette, B.W., Guainazzi, M., Hailey, C.J., Madejski, G.M., Matt, G., Stern, D. & Zhang, W.W., 2015, 3C 273 with NuSTAR: Unveiling the AGN, The Astrophysical Journal, Vol. 812, p. 14.
  • Lansbury, G.B., Gandhi, P., Alexander, D.M., Assef, R.J., Annur, A., Ballantyne, D.R., Bauer, F.E., Boggs, S.E., Brandt, W.N., Brightman, M., Christensen, F.E., Civano, F., Comastri, A., Craig, W.W., Del Moro, A., Grefenstette, B.W., Hailey, C.J., Harrison, F.A., Hickox, R.C., Koss, M., LaMassa, S.M., Luo, B., Puccetti, S., Stern, D., Treister, E., Vignali, C., Zappacosta, L. & Zhang, W.W., 2015, NuSTAR Reveals Extreme Absorption in z  0.5 Type 2 Quasars, The Astrophysical Journal, Vol. 809, p. 115.
  • Civano, F., Hickox, R., Puccetti, S., Comastri, A., Mullaney, J., Zappacosta, L., LaMassa, S., Aird, J., Alexander, D.M., Ballantyne, D.R., Bauer, F.E., Brandt, W.N., Boggs, S.E., Christensen, F.E., Craig, W.W., Del-Moro, A., Elvis, M., Forster, K., Gandhi, P., Grefenstette, B.W., Hailey, C.J., Harrison, F.A., Lansbury, G.B., Luo, B., Madsen, K., Saez, C., Stern, D., Treister, E., Urry, C.M., Wik, D.R. & Zhang, W.W., 2015, The NuSTAR Extragalactic Surveys: Overview and Catalog from the COSMOS Field, The Astrophysical Journal, Vol. 808, p. 185.
  • Mullaney, J.R., Del-Moro, A., Aird, J., Alexander, D.M., Civano, F.M., Hickox, R.C., Lansbury, G.B., Ajello, M., Assef, R., Ballantyne, D.R., Baloković, M., Bauer, F.E., Brandt, W.N., Boggs, S.E., Brightman, M., Christensen, F.E., Comastri, A., Craig, W.W., Elvis, M., Forster, K., Gandhi, P., Grefenstette, B.W., Hailey, C.J., Harrison, F.A., Koss, M., LaMassa, S.M., Luo, B., Madsen, K.K., Puccetti, S., Saez, C., Stern, D., Treister, E., Urry, C.M., Wik, D.R., Zappacosta, L. & Zhang, W., 2015, The NuSTAR Extragalactic Surveys: Initial Results and Catalog from the Extended Chandra Deep Field South, The Astrophysical Journal, Vol. 808, p. 184.
  • Ursini, F., Marinucci, A., Matt, G., Bianchi, S., Tortosa, A., Stern, D., Arévalo, P., Ballantyne, D.R., Bauer, F.E., Fabian, A.C., Harrison, F.A., Lohfink, A.M., Reynolds, C.S. & Walton, D.J., 2015, The NuSTAR X-ray spectrum of the low-luminosity active galactic nucleus in NGC 7213, Monthly Notices of the Royal Astronomical Society, Vol. 452, p. 3266.
  • Reynolds, C.S., Lohfink, A.M., Ogle, P.M., Harrison, F.A., Madsen, K.K., Fabian, A.C., Wik, D.R., Madejski, G., Ballantyne, D.R., Boggs, S.E., Christensen, F.E., Craig, W.W., Fuerst, F., Hailey, C.J., Lanz, L., Miller, J.M., Saez, C., Stern, D., Walton, D.J. & Zhang, W., 2015, NuSTAR Observations of the Powerful Radio-Galaxy Cygnus A, The Astrophysical Journal, Vol. 808, p. 154.
  • Koss, M.J., Romero-Cañizales, C., Teng, S.H., Baloković, M., Puccetti, S., Bauer, F.E., Arévalo, P., Assef, R., Ballantyne, D.R., Baronchelli, L., Brandt, W.N., Brightman, M., Comastri, A., Gandhi, P., Harrison, F.A., Luo, B., Schawinski, K., Stern, D. & Treister, E., 2015, Broadband Observations of the Compton-Thick Nucleus of NGC 3393, The Astrophysical Journal, Vol. 807, p. 149.
  • Keck, M.L., Brenneman, L.W., Ballantyne, D.R., Bauer, F., Boggs, S.E., Christensen, F.E., Craig, W.W., Dauser, T., Elvis, M., Fabian, A.C., Fuerst, F., Garćia, J., Grefenstette, B.W., Hailey, C.J., Harrison, F.A., Madejski, G., Marinucci, A., Matt, G., Reynolds, C.S., Stern, D., Walton, D.J. & Zoghbi, A., 2015, NuSTAR and Suzaku X-ray Spectroscopy of NGC 4151: Evidence for Reflection from the Inner Accretion Disk, The Astrophysical Journal, Vol. 806, p. 149.
  • Brightman, M., Baloković, M., Stern, D., Arévalo, P., Ballantyne, D.R., Bauer, F.E., Boggs, S.E., Craig, W.W., Christensen, F.E., Comastri, A., Fuerst, F., Gandhi, P., Hailey, C.J., Harrison, F.A., Hickox, R., Koss, M., LaMassa, S., Puccetti, S., Rivers, L., Vasudevan, R., Walton, D.J. & Zhang, W.W., 2015, Determining the Covering Factor of Compton-thick Active Galactic Nuclei with NuSTAR, The Astrophysical Journal, Vol. 805, p. 41.
  • Gohil, R. & Ballantyne, D.R., 2015, On the equivalent width of the Fe Kα line produced by a dusty absorber in active galactic nuclei, Monthly Notices of the Royal Astronomical Society, Vol. 449, p. 1449.
  • Baloković, M., Matt, G., Harrison, F.A., Zoghbi, A., Ballantyne, D.R., Boggs, S.E., Christensen, F.E., Craig, W.W., Fabian, A.C., Füerst, F., Hailey, C.J., Marinucci, A., Parker, M.L., Reynolds, C.S., Stern, D., Walton, D.J. & Zhang, W.W., 2015, Coronal Properties of the Seyfert 1.9 Galaxy MCG-5-23-016 Determined from Hard X-ray Spectroscopy with NuSTAR, The Astrophysical Journal, Vol. 800, p. 62.
  • Matt, G., Baloković, M., Marinucci, A., Ballantyne, D.R., Boggs, S.E., Christensen, F.E., Comastri, A., Craig, W.W., Gandhi, P., Hailey, C.J., Harrison, F.A., Madejski, G., Stern, D. & Zhang, W.W., 2015, The hard X-ray spectrum of NGC 5506 as seen by NuSTAR, Monthly Notices of the Royal Astronomical Society, Vol. 447, p. 3029.
  • Marinucci, A., Matt, G., Bianchi, S., Lu, T.N., Arevalo, P., Baloković, M., Ballantyne, D.R., Bauer, F.E., Boggs, S.E., Christensen, F.E., Craig, W.W., Gandhi, P., Hailey, C.J., Harrison, F., Puccetti, S., Rivers, E., Walton, D.J., Stern, D. & Zhang, W., 2015, The Seyfert 2 galaxy NGC 2110: hard X-ray emission observed by NuSTAR and variability of the iron Kα line, Monthly Notices of the Royal Astronomical Society, Vol. 447, p. 160.
2014
  • Keek, L., Ballantyne, D.R., Kuulkers, E. & Strohmayer, T.E., 2014, X-raying an Accretion Disk in Realtime: The Evolution of Ionized Reflection During a Superburst from 4U 1636-536, The Astrophysical Journal, Vol. 797, p. L23.
  • Stern, D. Lansbury, G.B., Assef, R.J., Brandt, W.N., Alexander, D.M., Ballantyne, D.R., Baloković, M., Benford, D., Blain, A., Boggs, S.E., Bridge, C., Brightman, M., Christensen, F.E., Comastri, A., Craig, W.W., Del Moro, A., Eisenhardt, P.R.M., Gandhi, P., Griffith, R., Hailey, C.J., Harrison, F.A., Hickox, R.C., Jarret, T.H., Koss, M., Lake, S., LaMassa, S.M., Luo, B., Tsai, C.-W., Walton, D.J., Wright, E.L., Wu, J., Yan, L., & Zhang, W.W., 2014, NuSTAR and XMM-Newton Observations of Luminous, Heavily Obscured, WISE-Selected Quasars at z~2, The Astrophysical Journal, Vol. 794, p. 102.
  • Baloković, M., Comastri, A., Harrison, F.A., Ballantyne, D.R., Boggs, S.E., Brandt, W.N., Brightman, M., Christensen, F.E., Craig, W.W., Del Moro, A., Gandhi, P., Hailey, C.J., Koss, M., Lansbury, G.B., Luo, B., Madejski, G.M., Marinucci, A., Markwardt, C.B., Reynolds, C.S., Risaliti, G., Rivers, E., Stern, D., Walton, D.J., Zhang, W.W., 2014, The NuSTAR View of Nearby Compton-Thick AGN: The Cases of NGC 424, NGC 1320 and IC 2560, The Astrophysical Journal, Vol. 794, p. 111.
  • Ballantyne, D.R., Bollenbacher, J.M., Brenneman, L.W., Madsen, K.K., Baloković, M., Boggs, S.E., Christensen, F.E., Craig, W.W., Gandhi, P., Hailey, C.J., Harrison, F.A., Lohfink, A.M., Marinucci, A.., Markwardt, C.B., Stern, D., Walton, D.J. & Zhang, W.W., 2014, NuSTAR Reveals the Comptonizing Corona of the Broad-Line Radio Galaxy 3C 382, The Astrophysical Journal, Vol. 794, p. 62.
  • Gandhi, P., Lansbury, G.B., Alexander, D.M., Stern, D., Arévalo, P., Ballantyne, D.R., Baolković, M., Bauer, F.E., Boggs, S.E., Brandt, W.N., Brightman, M.R., Christensen, F.E., Comastri, A., Craig, W.E., Del Moro, A., Elvis, M., Fabian, A.C., Hailey, C.J., Harrison, F.A., Hickox, R.C., Koss, M.R., LaMassa, S.M., Luo, B., Madejski, G.M., Ptak, A.F., Puccetti, S., Teng, S.H., Urry, C.M., Walton, D.J. & Zhang, W.W., 2014, NuSTAR Unveils a Compton-thick Type 2 Quasar in Mrk 34, The Astrophysical Journal, Vol. 792, p. 117.
  • Keek, L., Ballantyne, D.R., Kuulkers, E. & Strohmayer, T.E., 2014, Characterizing the Evolving X-ray Spectral Features During a Superburst from 4U 1636-536, The Astrophysical Journal, Vol. 789, p. 121.
  • Brenneman, L.W., Madejski, G., Fuerst, F., Matt, G., Elvis, M., Harrison, F.A., Ballantyne, D.R., Boggs, S.E., Christensen, F.E., Craig, W.W., Fabian, A.C., Grefenstette, B.W., Hailey, C.J., Madsen, K.K., Marinucci, A., Rivers, E., Stern, D., Walton, D.J. & Zhang, W.W., 2014, The Broad-Band X-ray Spectrum of IC 4329A from a Joint NuSTAR/Suzaku Observation, The Astrophysical Journal, Vol. 788, p. 61.
  • Walton, D.J., Risaliti, G., Harrison, F.A., Fabian, A.C., Miller, J.M., Arevalo, P., Ballantyne, D.R., Boggs, S.E., Brenneman, L.W., Christensen, F.E., Craig, W.W., Elvis, M., Fuerst, F., Gandhi, P., Grefenstette, B.W., Hailey, C.J.,, Kara, E., Luo, B., Madsen, K.K., Marinucci, A., Matt, G., Parker, M.L., Reynolds, C.S., Rivers, E., Ross, R.R., Stern, D. & Zhang, W., 2014, NuSTAR and XMM-Newton Observations of NGC 1365: Extreme Absorption Variability and a Constant Inner Accretion Disk, The Astrophysical Journal, Vol. 788, p. 76.
  • Marinucci, A., Matt, G., Miniutti, G., Guainazzi, M., Parker, M.L., Brenneman, L., Fabian, A.C., Kara, E., Arevalo, P., Ballantyne, D.R., Boggs, S.E., Cappi, M., Christensen, F.E., Craig, W.W., Elvis, M., Hailey, C.J., Harrison, F.A., Reynolds, C.S., Risaliti, G., Stern, D.K., Walton, D.J. & Zhang, W., 2014, The Broadband Spectral Variability of MCG-6-30-15 Observed by NuSTAR and XMM-Newton, The Astrophysical Journal, Vol. 787, p. 83.
  • Del Moro, A., Mullaney, J.R., Alexander, D.M., Comastri, A., Bauer, F.E., Treister, E., Stern, D., Civano, F., Ranalli, P., Vignali, C., Aird, J.A., Ballantyne, D.R., Balokovic, M., Boggs, S.E., Brandt, W.N., Christensen, F.E., Craig, W.W., Gandhi, P., Gilli, R., Hailey, C.J., Harrison, F.A., Hickox, R.C., LaMassa, S.M., Lansbury, G.B., Luo, B., Puccetti, S., Urry, C.M. & Zhang, W.W., 2014, NuSTAR J0332-2-2746.8: Direct Constraints on the Compton Reflection in a Heavily Obscured Quasar at z  2, The Astrophysical Journal, Vol. 786, p. 16.
  • Marinucci, A., Matt, G., Kara, E., Miniutti, G., Elvis, M., Arevalo, P., Ballantyne, D.R., Balokovic, M., Bauer, F., Brenneman, L., Boggs, S.E., Cappi, M., Christensen, F.E., Craig, W.W., Fabian, A.C., Fuerst, F., Hailey, C.J., Harrison, F.A., Risaliti, G., Reynolds, C.S., Stern, D.K., Walton, D.J. & Zhang, W., 2014, Simultaneous NuSTAR and XMM-Newton 0.5-80 keV spectroscopy of the Narrow Line Seyfert 1 galaxy SWIFT J2127.4+5654, Monthly Notices of the Royal Astronomical Society, Vol. 440, p. 2347.
  • Lansbury, G.B., Alexander, D.M., Del Moro, A., Gandhi, P., Assef, R.J., Stern, D., Aird, J., Ballantyne, D.R., Bauer, F.E., Boggs, S.E., Brandt, W.N., Christensen, F.E., Craig, W.W., Elvis, M., Grefenstette, B.W., Hailey, C.J., Harrison, F.A., Hickox, R.C., Koss, M., LaMassa, S.M., Luo, B., Mullaney, J.R., Teng, S.H., Urry, C.M. & Zhang, W.W., 2014, NuSTAR Observations of Heavily Obscured Quasars at z~0.5, The Astrophysical Journal, Vol. 785, p. 17.
  • Brenneman, L., Madejski, G., Fuerst, F., Matt, G., Elvis, M., Harrison, F.A., Ballantyne, D., Boggs, S., Christensen, F., Craig, W., Fabian, A.C., Grefenstette, B., Hailey, C., Madsen, K., Marinucci, A., Rivers, E., Stern, D., Walton, D. & Zhang, W., 2014, Measuring the Coronal Properties of IC 4329A with NuSTAR, The Astrophysical Journal, Vol. 781, p. 83.
  • Grissom, R.L., Ballantyne, D.R. & Wise, J.H., 2014, On the Contribution of Active Galactic Nuclei to Reionization, Astronomy & Astrophysics, Vol. 561, p. A90.
  • Ballantyne, D.R., 2014, The average 0.5-200 keV spectrum of local active galactic nuclei and a new determination of the 2-10 keV luminosity function at z 0, Monthly Notices of the Royal Astronomical Society, Vol. 437, p. 2845.
2013
  • La Massa, S.M., Urry, C.M., Cappelluti, N., Civano, F., Ranalli, P., Glikman, E., Treister, E., Richards, G., Ballantyne, D., Stern, D., Cardamone, C., Schawinski, K., Böhringer, H., Chon, G., Murray, S.S., Green, P. & Nandra, K., 2013, Finding Rare AGN: XMM-Newton and Chandra Observations of SDSS Stripe 82, Monthly Notices of the Royal Astronomical Society, Vol. 436, p. 3581.
  • Alexander, D.M., Stern, D., Del Moro, A., Lansbury, G.B., Assef, R.J., Aird, J., Ajello, M., Ballantyne, D.R., Bauer, F.E., Boggs, S.E., Brandt, W.N., Christensen, F.E., Civano, F., Comastri, A., Craig, W.W., Elvis, M., Grefenstette, B.W., Hailey, C.J., Harrison, F.A., Hickox, R.C., Luo, B., Madsen, K.K., Mullaney, J.R., Perri, M., Puccetti, S., Saez, C., Treister, E., Urry, C.M., Zhang, W.W., Bridge, C.R., Eisenhardt, P.R.M., Gonzalez, A.H., Miller, S.H. & Tsai, C.W., 2013, The NuSTAR Extragalactic Survey: A First Sensitive Look at the High-Energy Cosmic X-ray Background Population, The Astrophysical Journal, Vol. 773, p. 125.
  • Harrison, F.A., Craig, W.W., Christensen, F.E., Hailey, C.J., Zhang, W.W., Boggs, S.E., Stern, D., Cook, W.R., Forster, K., Giommi, P., Grefenstette, B.W., Kim, Y., Kitaguchi, T., Koglin, J.E., Madsen, K.K., Mao, P.H., Miyasaka, H., Mori, K., Perri, M., Pivovaroff, M.J., Puccetti, S., Rana, V.R., Westergaard, N.J., Willis, J., Zoglauer, A., An, H., Bachetti, M., Barriere, N.M., Bellm, E.C., Bhaloerao, V., Brejnholt, N.F., Fuerst, F., Liebe, C.C., Markwardt, C.B., Nynka, M., Vogel, J.K., Walton, D.J., Wik, D.R., Alexander, D.M., Cominsky, L.R., Hornschemeier, A.E., Hornstrup, A., Kaspi, V.M., Madejski, G.M., Matt, G., Molendi, S., Smith, D.M., Tomsick, J.A., Ajello, M., Ballantyne, D.R., Balokovic, M., Barret, D., Bauer, F.E., Blandford, R.D., Brandt, W.N., Brenneman, L.W., Chiang, J., Chakrabarty, D., Chenevez, J., Comastri, A., Elvis, M., Fabian, A.C., Farrah, D., Fryer, C.L., Gotthelf, E.V., Grindlay, J.E., Helfand, D.J., Krivonos, R., Meier, D.L., Miller, J.M., Natalucci, L., Ogle, P., Ofek, E.P., Ptak, A., Reynolds, S.P., Rigby, J.R., Tagliaferri, G., Thosett, S.E., Treister, E. & Urry, C.M., 2013, The Nuclear Spectroscopic Telescope Array (NuSTAR) Mission, The Astrophysical Journal, Vol. 770, p. 103.
  • in t’ Zand, J.J.M., Galloway, D.K., Marshall, H.L., Ballantyne, D.R., Jonker, P.G., Paerels, F.B.S., Palmer, D.M., Patruno, A. & Weinberg, N.N., 2013, A bright thermonuclear X-ray burst simultaneously observed with Chandra and RXTE, Astronomy & Astrophysics, Vol. 553, p. A83.
  • Ballantyne, D.R., Armour, J.N. & Indergaard, J.. 2013, The Star Formation Laws of Eddington-Limited Star-Forming Disks, The Astrophysical Journal, Vol. 765, p. 138.
2012
  • Draper, A.R. & Ballantyne, D.R., 2012, The Merger-Triggered Active Galactic Nucleus Contribution to the Ultraluminous Infrared Galaxy Population, The Astrophysical Journal, Vol. 753, p. L37.
  • Armour, J.N. & Ballantyne, D.R., 2012, CO Line Emission from Compact Nuclear Starburst Disks Around Active Galactic Nuclei, The Astrophysical Journal, Vol. 752, p. 87.
  • Draper, A.R. & Ballantyne, D.R., 2012, A Tale of Two Populations: The Contribution of Merger and Secular Processes to the Evolution of Active Galactic Nuclei, The Astrophysical Journal, Vol. 751, p. 72.
  • Ballantyne, D.R., Purvis, J.D., Strausbaugh, R.G. & Hickox, R.C., 2012, Ionized Reflection Spectra from Accretion Disks Illuminated by X-ray Pulsars, The Astrophysical Journal, Vol. 747, p. L35.
2011
  • Pierce, C.M., Ballantyne, D.R. & Ivison, R.J., 2011, Evidence for Moderate Star Formation Rates in the Host Galaxies of Active Galactic Nuclei at z < 1, The Astrophysical Journal, Vol. 742, p. 45.
  • Draper, A.R., Northcott, S. & Ballantyne, D.R., 2011, Are Active Galactic Nuclei the Solution to the Excess Cosmic Radio Background at 1.4 GHz?, The Astrophysical Journal, Vol. 741, p. L39.
  • Draper, A.R. & Ballantyne, D.R., 2011, The Young, the Old, and the Dusty: Stellar Populations of AGN Hosts, The Astrophysical Journal, Vol. 740, p. 57.
  • Ballantyne, D.R., Draper, A.R., Madsen, K.K., Rigby, J.R. & Treister, E., 2011, Lifting the Veil on Obscured Accretion: Active Galactic Nuclei Number Counts and Survey Strategies for Imaging Hard X-ray Missions, The Astrophysical Journal, Vol. 736, p. 56.
  • Ballantyne, D.R., McDuffie, J.R. & Rusin, J.S., 2011, A Correlation Between the Ionization State of the Inner Accretion Disk and the Eddington Ratio of Active Galactic Nuclei, The Astrophysical Journal, Vol. 734, p. 112.
  • Draper, A.R. & Ballantyne, D.R., 2011, Properties and Expected Number Counts of Active Galactic Nuclei and their Hosts in the Far Infrared, The Astrophysical Journal, Vol. 729, p. 109.
  • Ballantyne, D.R., Schumann, M. & Ford, B., 2011, Modelling the time dependence of the TeV g-ray source at the Galactic Centre, Monthly Notices of the Royal Astronomical Society, Vol. 410, p.1521.
  • in t’ Zand, J.J.M., Galloway, D.K. & Ballantyne, D.R., 2011, Achromatic late-time variability in thermonuclear X-ray bursts: An accretion disk disrupted by a nova-like shell?, Astronomy & Astrophysics, Vol. 525, p. A111.
2010
  • Cackett, E.M., Miller, J.M., Ballantyne, D.R., Barret, D., Bhattacharyya, S., Boutelier, M., Miller, M.C., Strohmayer, T.E. & Wijnands, R., 2010, Relativistic Lines and Reflection From the Inner Accretion Disks Around Neutron Stars, The Astrophysical Journal, Vol. 720, p. 205.
  • D’Ai, A., Di Salvo, T., Ballantyne, D., Iaria, R., Robba. N.R., Papitto, A., Riggio, A., Burderi, L., Piraino, S., Santangelo, A., Matt, G., Dovčiak, M. & Karas, V., 2010, A Self-Consistent Approach to the Hard and Soft States of 4U 1705-44, Astronomy & Astrophysics, Vol. 516, p. A36.
  • Ballantyne, D.R., 2010, The Integrated Relativistic Iron Line from Active Galactic Nuclei: Chasing the Spin Evolution of Supermassive Black Holes, The Astrophysical Journal, Vol. 716, p. L27.
  • Draper, A.R. & Ballantyne, D.R., 2010, The Evolution and Eddington Ratio Distribution of Compton Thick Active Galactic Nuclei, The Astrophysical Journal, Vol. 715, p. L99.
  • Ballantyne, D.R., 2010, The Distribution and Cosmic Density of Relativistic Iron Lines in Active Galactic Nuclei, The Astrophysical Journal, Vol. 708, p. L1.
2009
  • Draper, A.R. & Ballantyne, D.R., 2009, Balancing the Cosmic Energy Budget: The Cosmic X-ray Background, Blazars, and the Compton Thick Active Galactic Nucleus Fraction, The Astrophysical Journal, Vol. 707, p. 778.
  • Gliozzi, M., Papadakis, I.E., Eracleous, M., Sambruna, R.M., Ballantyne, D.R., Braito, V. & Reeves, J.N., 2009. Short-term Variability and Power Spectral Density Analysis of the Radio-Loud Active Galactic Nucleus 3C 390.3, The Astrophysical Journal, Vol. 703, p. 1021.
  • Sambruna, R.M., Reeves, J.N., Braito, V., Lewis, K.T., Eracleous, M., Gliozzi, M., Tavecchio, F., Ballantyne, D.R., Ogle, P.M., Barth, A.J. & Tueller, J., 2009. Structure of the Accretion Flow in Broad-Line Radio Galaxies: The Case of 3C 390.3., The Astrophysical Journal, Vol. 700, p. 1473.
  • Ballantyne, D.R., 2009, The Contribution of Active Galactic Nuclei to the Microjansky Radio Population, The Astrophysical Journal, Vol. 698, p. 1033.
2008
  • Ballantyne, D.R., 2008, Obscuring Active Galactic Nuclei with Nuclear Starburst Disks, The Astrophysical Journal, Vol. 685, p. 787.
  • Larsson, J., Fabian, A.C., Ballantyne, D.R. & Miniutti, G., 2008, Exploring the Disc/Jet Interaction in the Radio-Loud Quasar 4C +74.26 with Suzaku, Monthly Notices of the Royal Astronomical Society, Vol. 388, p. 1037.
2007
  • Crocker, R.M., Jones, D., Ballantyne, D.R. & Melia, F., 2007, Radio Synchrotron Emission from Secondary Leptons in the Vicinity of Sgr A*, The Astrophysical Journal, Vol. 664, p. L95.
  • Erlund, M.C., Fabian, A.C., Blundell, K.M., Moss, C. & Ballantyne, D.R., 2007, The luminous X-ray hotspot in 4C 74.26: synchrotron or inverse-Compton emission?, Monthly Notices of the Royal Astronomical Society, Vol. 379, p. 498.
  • Ballantyne, D.R., Özel, F. & Psaltis, D., 2007, Constraining Radiatively Inefficient Accretion Flows with Polarization, The Astrophysical Journal, Vol. 663, p. L17.
  • Ballantyne, D.R. & Papovich, C., 2007, On the Contribution of AGN to the Cosmic Background Radiation, The Astrophysical Journal, Vol. 660, p. 988.
  1. Ballantyne, D.R., Melia, F., Liu, S. & Crocker, R.M., 2007, A Possible Link Between the Galactic Center HESS Source and Sgr A*, The Astrophysical Journal, Vol. 657, p. L13.
2006
  • Ballantyne, D.R., Shi, Y., Rieke, G.H., Donley, J.L., Papovich, C. & Rigby, J.R., 2006, Does the AGN Unified Model Evolve with Redshift? Utilizing the X-Ray Background to Predict the Mid-Infrared Emission of AGN, The Astrophysical Journal, Vol. 653, p. 1070.
  • Miniutti, G., Ballantyne, D.R., Allen, S.W., Fabian, A.C. & Ross, R.R., 2006, Fe Emission and Ionized Excess Absorption in the Luminous Quasar 3C 109 with XMM-Newton, Monthly Notices of the Royal Astronomical Society, Vol. 371, p. 283.
  • Ballantyne, D.R., Everett, J.E. & Murray, N., 2006, Connecting Galaxy Evolution, Star Formation and the X-ray Background, The Astrophysical Journal, Vol. 639, p. 740.
2005
  • Ballantyne, D.R., 2005, A Complete View of the Broad-Line Radio Galaxy 4C+74.26 with XMM Newton, Monthly Notices of the Royal Astronomical Society, Vol. 362, p. 1183.
  • Ballantyne, D.R. & Everett, J.E., 2005, On the Dynamics of Suddenly Heated Accretion Disks Around Neutron Stars, The Astrophysical Journal, Vol. 626, p. 364.
  • Ballantyne, D.R. & Fabian, A.C., 2005, Evidence for an Untruncated Accretion Disk in the Broad-Line Radio Galaxy 4C+74.26, The Astrophysical Journal, Vol. 622, p. L97.
  • Ballantyne, D.R., Turner, N.J. & Young, A.J., 2005, X-ray Reflection from Inhomogeneous Accretion Disks: II. Emission Line Variability and Implications for Reverberation Mapping, The Astrophysical Journal, Vol. 619, p. 1028.
2004
  • Ballantyne, D.R., Fabian, A.C. & Iwasawa, K., 2004, The XMM-Newton View of the Broad-Line Radio Galaxy 3C 120, Monthly Notices of the Royal Astronomical Society, Vol. 354, p. 839.
  • Everett, J.E. & Ballantyne, D.R., 2004, Continuum Acceleration of Black Hole Winds, The Astrophysical Journal, Vol. 615, p. L13.
  • Vaughan, S., Fabian, A.C., Ballantyne, D.R., De Rosa, A., Piro, L. & Matt, G., 2004, An XMM-Newton observation of Ark 120: the X-ray spectrum of a ‘bare’ Seyfert 1 nucleus, Monthly Notices of the Royal Astronomical Society, Vol. 351, p. 193.
  • Ballantyne, D.R., 2004, Reflection spectra from an accretion disc illuminated by a neutron star X-ray burst, Monthly Notices of the Royal Astronomical Society, Vol. 351, p. 57.
  • Font, A.S., McCarthy, I.G., Johnstone, D. & Ballantyne, D.R., 2004, Photoevaporation of Circumstellar Disks around Young Stars, The Astrophysical Journal, Vol. 607, p. 890.
  • Ballantyne, D.R., Turner, N.J. & Blaes, O.M., 2004, X-ray Reflection from Inhomogeneous Accretion Disks: I. Toy Models and Photon Bubbles, The Astrophysical Journal, Vol. 603, p. 436.
  • Ballantyne, D.R. & Strohmayer, T.E., 2004, The Evolution of the Accretion Disk around 4U 1820-30 During a Superburst, The Astrophysical Journal, Vol. 602, p. L105.
2003
  • Ballantyne, D.R., Weingartner, J.C. & Murray, N., 2003, On the Location and Composition of the Dust in the MCG-6-30-15 Warm Absorber, Astronomy & Astrophysics, Vol. 409, p. 503.
  • Ballantyne, D.R. & Fabian, A.C., 2003, The Contribution of Particle Impact to the Production of Fe K Emission from Accreting Black Holes, The Astrophysical Journal, Vol. 592, p. 1089.
  • Ballantyne, D.R., Vaughan, S. & Fabian, A.C., 2003, A two-component ionized reflection model of MCG-6-30-15, Monthly Notices of the Royal Astronomical Society, Vol. 342, p. 239.
2002
  • Vaughan, S., Boller, Th., Fabian, A.C., Ballantyne, D.R., Brandt, W.N. & Trümper, J., 2002, A XMM-Newton observation of Ton S180: Constraints on the continuum emission in ultrasoft Seyfert galaxies, Monthly Notices of the Royal Astronomical Society, Vol. 337, p. 247.
  • Ballantyne, D.R., Ross, R.R. & Fabian, A.C., 2002, Soft X-ray emission lines from photoionized accretion discs: constraints on their strength and width, Monthly Notices of the Royal Astronomical Society, Vol. 336, p. 867.
  • Ross, R.R., Fabian, A.C. & Ballantyne, D.R., 2002, Multiple X-ray reflection from ionized slabs, Monthly Notices of the Royal Astronomical Society, Vol. 336, p. 315.
  • Miller, J.M., Ballantyne, D.R., Fabian, A.C. & Lewin, W.H.G., 2002, Extremely Weak Reflection Features in the X-ray Spectrum of XTE J1118+480: Possible Evidence for X-ray-Emitting Jets?, Monthly Notices of the Royal Astronomical Society, Vol. 335, p. 865.
  • Fabian, A.C., Vaughan, S., Nandra, K., Iwasawa, K., Ballantyne, D.R., Lee, J.C., DeRosa, A., Turner, A. & Young, A.J., 2002, A long hard look at MCG-6-30-15 with XMM-Newton, Monthly Notices of the Royal Astronomical Society, Vol. 335, p. L1.
  • Ballantyne, D.R., Ramirez-Ruiz, E., Lazzati, D. & Piro, L., 2002, X-ray spectral diagnostics of the immediate environment of GRB 991216, Astronomy & Astrophysics, Vol. 389, p. L74.
  • Ballantyne, D.R., Ross, R.R. & Fabian A.C., 2002, On the hard X-ray spectra of radio-loud active galaxies, Monthly Notices of the Royal Astronomical Society, Vol. 332, p. L45.
  • Ballantyne, D.R. & Ross, R.R., 2002, The Response of the Fe Ka Line to Changes in the X-ray Illumination of Accretion Discs, Monthly Notices of the Royal Astronomical Society, Vol. 332, p. 777.
  • Fabian, A.C., Ballantyne, D.R., Merloni, A., Vaughan, S., Iwasawa, K. & Boller, Th., 2002, How the X-ray spectrum of a Narrow-Line Seyfert 1 galaxy may be reflection dominated, Monthly Notices of the Royal Astronomical Society, Vol. 331, p. L35.
  • Ballantyne, D.R., Fabian, A.C. & Ross, R.R., 2002, Fe Ka emission from photoionized slabs: the impact of the iron abundance, Monthly Notices of the Royal Astronomical Society, Vol. 329, p. L67.
  • Boller, Th., Fabian, A.C., Sunyaev, R., Trümper, J., Vaughan, S., Ballantyne, D.R., Brandt, W.N., Keil, R. & Iwasawa, K., 2002, XMM-Newton Discovery of a Sharp Spectral Feature at ~7 keV in the NLS1 Galaxy 1H 0707-495, Monthly Notices of the Royal Astronomical Society, Vol. 329, p. L1.
2001
  • Ballantyne, D.R. & Fabian A.C., 2001, Relativistic Ionized Accretion Disc Models of MCG-6-30-15,  Monthly Notices of the Royal Astronomical Society, Vol. 328, p. L11.
  • Ballantyne, D.R. & Ramirez-Ruiz, E., 2001, Iron Ka Emission From X-ray Reflection: Predictions for Gamma-Ray Burst Models, The Astrophysical Journal, Vol. 559, p. L83.
  • Ballantyne, D.R., Ross, R.R. & Fabian, A.C., 2001, X-ray Reflection By Photoionized Accretion Discs, Monthly Notices of the Royal Astronomical Society, Vol. 327, p.10.
  • Hawarden, T.G., Leggett, S.K., Letawsky M.B., Ballantyne, D.R. & Casali, M.M., 2001, JHK Standard Stars for Large Telescopes: the UKIRT Fundamental and Extended Lists, Monthly Notices of the Royal Astronomical Society, Vol. 325, p. 563.
  • Kerton, C.R., Martin, P.G., Johnstone, D. & Ballantyne, D.R., 2001, A Submillimeter View of Star Formation Near the HII Region KR 140, The Astrophysical Journal, Vol. 552, p. 601.
  • Ballantyne, D.R., Iwasawa, K. & Fabian A.C., 2001, Evidence for Ionized Accretion Discs in Five Narrow-Line Seyfert 1 Galaxies, Monthly Notices of the Royal Astronomical Society, Vol. 323, p. 506.
  • Magorrian, S.J. & Ballantyne, D.R., 2001, Mass Profiles and Anisotropies of Early-Type Galaxies, Monthly Notices of the Royal Astronomical Society, Vol. 322, p. 702.
2000
  • Ballantyne, D.R., Kerton, C.R. & Martin, P.G., 2000, The HII Region KR 140: Spontaneous Formation of a Massive Star, The Astrophysical Journal, Vol. 539, p.283.
  • Ballantyne, D.R., Ferland, G.J. & Martin, P.G., 2000, The Primordial Helium Abundance: Toward Understanding and Removing the Cosmic Scatter in the dY/dZ Relation, The Astrophysical Journal, Vol. 536, p. 773.
  • Armour, Mary-Helen, Ballantyne, D.R., Ferland, G.J., Karr, J. & Martin, P.G., 1999, Emission-Line Helium Abundances in Highly Obscured Nebulae, Publications of the Astronomical Society of the Pacific, Vol. 111, p. 1251.
Pre-2000
  • Kerton, C.R., Ballantyne, D.R., & Martin, P.G., 1999, Classification of O Stars in the Yellow: The Exciting Star VES 735, The Astronomical Journal, Vol. 117, p. 2485.
  • Davies, J.K., McBride, N., Ellison, S.L., Green, S.F. & Ballantyne, D.R., 1998, Visible and Infrared Photometry of Six Centaurs, Icarus, Vol. 134, p. 213.
  • Leahy, D.A., Roger, R.S. & Ballantyne, D., 1997, 1420 MHz Continuum and Polarization Observations of the Cygnus Loop, The Astronomical Journal, Vol. 114, p. 2081.

By Topic

Physics of Accretion Disks Around Black Holes
  • Ballantyne, D.R. & Xiang, X., 2020, Sustaining a Warm Corona in Active Galactic Nuclei Accretion Discs, Monthly Notices of the Royal Astronomical Society, Vol. 496, p. 4255.
  • Ballantyne, D.R., 2020, Examining the Physical Conditions of a Warm Corona in Active Galactic Nuclei Accretion Discs, Monthly Notices of the Royal Astronomical Society, Vol. 491, p. 3553.
  • Porquet, D., Done, C., Reeves, J.N., Grosso, N., Marinucci, A., Matt, G., Lobban, A., Nardini, E., Braito, V., Marin, F., Kubota, A., Ricci, C., Koss, M., Stern, D., Ballantyne, D. & Farrah, D., 2019, A deep X-ray view of the bare AGN Ark 120. V. Spin determination from disc-Comptonisation efficiency method, Astronomy & Astrophysics, Vol. 623, A11.
  • García, J.A., Kara, E., Walton, D., Beuchert, T., Dauser, T., Gatuzz, E., Balokovic, M., Steiner, J.F., Tombesi, F., Connors, R.M.T., Kallman, T.R., Harrison, F.A., Fabian, A., Wilms, J., Stern, D., Lanz, L., Ricci, C. & Ballantyne, D.R., 2019, Physical Implications of Warm Comptonization and Relativistic Reflection for the Soft Excess in AGN: The case of Mrk 509 Observed with NuSTAR and Suzaku, The Astrophysical Journal, Vol. 871, p. 88.
  • Buisson, D.J.K., Parker, M.L., Kara, E., Vasudevan, R.V., Lohfink, A.M., Pinto, C., Fabian, A.C., Ballantyne, D.R., Boggs, S.E., Christensen, F.E., Craig, W.W., Farrah, D., Hailey, C.J., Harrison, F.A., Ricci, C., Stern, D., Walton, D.J., Zhang, W.W., 2018, NuSTAR observations of Mrk 766: distinguishing reflection from absorption, Monthly Notices of the Royal Astronomical Society, Vol. 480, p. 3689.
  • Ursini, F., Petrucci, P.-O., Matt, G., Bianchi, S., Cappi, M., Dadina, M., Grandi, P., Torresi, E., Ballantyne, D.R., De Marco, B., De Rosa, A., Giroletti, M., Malzac, J., Marinucci, A., Middei, R., Ponti, G. & Tortosa, A., 2018, Radio/X-ray monitoring of the broad-line radio galaxy 3C 382. High-energy view with XMM-Newton and NuSTAR, Monthly Notices of the Royal Astronomical Society, Vol. 478, p. 2663.
  • Porquet, D., Reeves, J.N., Matt, G., Marinucci, A., Nardini, E., Braito, V., Lobban, A., Ballantyne, D.R., Boggs, S.E., Christensen, F.E., Dauser, T., Farrah, D., Garcia, J., Hailey, C.J., Harrison, F., Stern, D., Tortosa, A., Ursini, F. & Zhang, W.W., 2018, A deep X-ray view of the bare AGN Ark 120. IV. XMM-Newton and NuSTAR spectra dominated by two temperature (warm, hot) Comptonization processes, Astronomy & Astrophysics, Vol. 609, p. A42.
  • Ballantyne, D.R., 2017, Ionised Accretion Discs in Active Galactic Nuclei: The Effects of a Lamppost with a Variable Height, Monthly Notices of the Royal Astronomical Society Letters, Vol. 472, p. L60.
  • Lohfink, A.M., Fabian, A.C., Ballantyne, D.R., Boggs, S.E., Boorman, P., Christensen, F.E., Craig, W.W., Farrah, D., García, J., Hailey, C.J., Harrison, F.A., Ricci, C., Stern, D. & Zhang, W.W., 2017, The X-Ray Reflection Spectrum of the Radio-Loud Quasar 4C 74.26, The Astrophysical Journal, Vol. 841, p. 80.
  • Tortosa, A., Marinucci, A., Matt, G., Bianchi, S., La Franca, F., Ballantyne, D.R., Boorman, P.G., Fabian, A.C., Farrah, D., Fuerst, F., Gandhi, P., Harrison, F.A., Koss, M.J., Ricci, C., Stern, D., Ursini, F. & Walton, D.J., 2017, Broadband X-ray spectral analysis of the Seyfert 1 galaxy GRS 1734-292, Monthly Notices of the Royal Astronomical Society, Vol. 466, p. 4193.
  • Zoghbi, A., Matt, G., Miller, J.M., Lohfink, A.M., Walton, D.J., Ballantyne, D.R., García, J.A., Stern, D., Koss, M.J., Farrah, D., Harrison, F.A., Boggs, S.E., Christensen, F.E., Craig, W., Hailey, C.J. & Zhang, W.W., 2017, A Long Look at MCG-5-23-16 with NuSTAR: I. – Relativistic Reflection and Coronal Properties, The Astrophysical Journal, Vol. 836, p. 2.
  • Lanzuisi, G., Perna, M., Comastri, A., Cappi, M., Dadina, M., Marinucci, A., Masini, A., Matt, G., Vagnetti, F., Vignali, C., Ballantyne, D.R., Bauer, F.E., Boggs, S.E., Brandt, W.N., Brusa, M., Christensen, F.E., Craig, W.W., Fabian, A.C., Farrah, D., Hailey, C.J., Harrison, F.A., Luo, B., Piconcelli, E., Puccetti, S., Ricci, C., Saez, C., Stern, D., Walton, D.J. & Zhang, W.W., 2016, NuSTAR Reveals the Extreme Properties of the Super-Eddington Accreting SMBH in PG 1247+267, Astronomy & Astrophysics, Vol. 590, p., A77.
  • Keek, L. & Ballantyne, D.R., 2016, Revealing the accretion disc corona in Mrk 335 with multi-epoch X-ray spectroscopy, Monthly Notices of the Royal Astronomical Society, Vol. 456, p. 2722.
  • Lohfink, A.M., Tombesi, F., Walton, D., Balković, M., Zoghbi, A., Ballantyne, D.R., Boggs, S.E., Christensen, F.E., Craig, W.W., Fabian, A.C., Hailey, C.J., Harrison, F.A., King, A.L., Madjeski, G., Matt, G., Ogle, P., Reynolds, C.S., Stern, D., Ursini, F. & Zhang, W.W., 2015, The Corona of the Broad-Line Radio Galaxy 3C 390.3, The Astrophysical Journal, Vol. 814, p. 24.
  • Madsen, K.K., Fürst, F., Walton, D.J., Harrison, F.A., Ballantyne, D.R., Boggs, S.E., Brenneman, L.W., Christensen, F.E., Craig, W.W., Fabian, A.C., Forster, K., Grefenstette, B.W., Guainazzi, M., Hailey, C.J., Madejski, G.M., Matt, G., Stern, D. & Zhang, W.W., 2015, 3C 273 with NuSTAR: Unveiling the AGN, The Astrophysical Journal, Vol. 812, p. 14.
  • Ursini, F., Marinucci, A., Matt, G., Bianchi, S., Tortosa, A., Stern, D., Arévalo, P., Ballantyne, D.R., Bauer, F.E., Fabian, A.C., Harrison, F.A., Lohfink, A.M., Reynolds, C.S. & Walton, D.J., 2015, The NuSTAR X-ray spectrum of the low-luminosity active galactic nucleus in NGC 7213, Monthly Notices of the Royal Astronomical Society, Vol. 452, p. 3266.
  • Reynolds, C.S., Lohfink, A.M., Ogle, P.M., Harrison, F.A., Madsen, K.K., Fabian, A.C., Wik, D.R., Madejski, G., Ballantyne, D.R., Boggs, S.E., Christensen, F.E., Craig, W.W., Fuerst, F., Hailey, C.J., Lanz, L., Miller, J.M., Saez, C., Stern, D., Walton, D.J. & Zhang, W., 2015, NuSTAR Observations of the Powerful Radio-Galaxy Cygnus A, The Astrophysical Journal, Vol. 808, p. 154.
  • Keck, M.L., Brenneman, L.W., Ballantyne, D.R., Bauer, F., Boggs, S.E., Christensen, F.E., Craig, W.W., Dauser, T., Elvis, M., Fabian, A.C., Fuerst, F., Garćia, J., Grefenstette, B.W., Hailey, C.J., Harrison, F.A., Madejski, G., Marinucci, A., Matt, G., Reynolds, C.S., Stern, D., Walton, D.J. & Zoghbi, A., 2015, NuSTAR and Suzaku X-ray Spectroscopy of NGC 4151: Evidence for Reflection from the Inner Accretion Disk, The Astrophysical Journal, Vol. 806, p. 149.
  • Baloković, M., Matt, G., Harrison, F.A., Zoghbi, A., Ballantyne, D.R., Boggs, S.E., Christensen, F.E., Craig, W.W., Fabian, A.C., Füerst, F., Hailey, C.J., Marinucci, A., Parker, M.L., Reynolds, C.S., Stern, D., Walton, D.J. & Zhang, W.W., 2015, Coronal Properties of the Seyfert 1.9 Galaxy MCG-5-23-016 Determined from Hard X-ray Spectroscopy with NuSTAR, The Astrophysical Journal, Vol. 800, p. 62.
  • Matt, G., Baloković, M., Marinucci, A., Ballantyne, D.R., Boggs, S.E., Christensen, F.E., Comastri, A., Craig, W.W., Gandhi, P., Hailey, C.J., Harrison, F.A., Madejski, G., Stern, D. & Zhang, W.W., 2015, The hard X-ray spectrum of NGC 5506 as seen by NuSTAR, Monthly Notices of the Royal Astronomical Society, Vol. 447, p. 3029.
  • Marinucci, A., Matt, G., Bianchi, S., Lu, T.N., Arevalo, P., Baloković, M., Ballantyne, D.R., Bauer, F.E., Boggs, S.E., Christensen, F.E., Craig, W.W., Gandhi, P., Hailey, C.J., Harrison, F., Puccetti, S., Rivers, E., Walton, D.J., Stern, D. & Zhang, W., 2015, The Seyfert 2 galaxy NGC 2110: hard X-ray emission observed by NuSTAR and variability of the iron Kα line, Monthly Notices of the Royal Astronomical Society, Vol. 447, p. 160.
  • Ballantyne, D.R., Bollenbacher, J.M., Brenneman, L.W., Madsen, K.K., Baloković, M., Boggs, S.E., Christensen, F.E., Craig, W.W., Gandhi, P., Hailey, C.J., Harrison, F.A., Lohfink, A.M., Marinucci, A.., Markwardt, C.B., Stern, D., Walton, D.J. & Zhang, W.W., 2014, NuSTAR Reveals the Comptonizing Corona of the Broad-Line Radio Galaxy 3C 382, The Astrophysical Journal, Vol. 794, p. 62.
  • Brenneman, L.W., Madejski, G., Fuerst, F., Matt, G., Elvis, M., Harrison, F.A., Ballantyne, D.R., Boggs, S.E., Christensen, F.E., Craig, W.W., Fabian, A.C., Grefenstette, B.W., Hailey, C.J., Madsen, K.K., Marinucci, A., Rivers, E., Stern, D., Walton, D.J. & Zhang, W.W., 2014, The Broad-Band X-ray Spectrum of IC 4329A from a Joint NuSTAR/Suzaku Observation, The Astrophysical Journal, Vol. 788, p. 61.
  • Walton, D.J., Risaliti, G., Harrison, F.A., Fabian, A.C., Miller, J.M., Arevalo, P., Ballantyne, D.R., Boggs, S.E., Brenneman, L.W., Christensen, F.E., Craig, W.W., Elvis, M., Fuerst, F., Gandhi, P., Grefenstette, B.W., Hailey, C.J.,, Kara, E., Luo, B., Madsen, K.K., Marinucci, A., Matt, G., Parker, M.L., Reynolds, C.S., Rivers, E., Ross, R.R., Stern, D. & Zhang, W., 2014, NuSTAR and XMM-Newton Observations of NGC 1365: Extreme Absorption Variability and a Constant Inner Accretion Disk, The Astrophysical Journal, Vol. 788, p. 76.
  • Marinucci, A., Matt, G., Miniutti, G., Guainazzi, M., Parker, M.L., Brenneman, L., Fabian, A.C., Kara, E., Arevalo, P., Ballantyne, D.R., Boggs, S.E., Cappi, M., Christensen, F.E., Craig, W.W., Elvis, M., Hailey, C.J., Harrison, F.A., Reynolds, C.S., Risaliti, G., Stern, D.K., Walton, D.J. & Zhang, W., 2014, The Broadband Spectral Variability of MCG-6-30-15 Observed by NuSTAR and XMM-Newton, The Astrophysical Journal, Vol. 787, p. 83.
  • Del Moro, A., Mullaney, J.R., Alexander, D.M., Comastri, A., Bauer, F.E., Treister, E., Stern, D., Civano, F., Ranalli, P., Vignali, C., Aird, J.A., Ballantyne, D.R., Balokovic, M., Boggs, S.E., Brandt, W.N., Christensen, F.E., Craig, W.W., Gandhi, P., Gilli, R., Hailey, C.J., Harrison, F.A., Hickox, R.C., LaMassa, S.M., Lansbury, G.B., Luo, B., Puccetti, S., Urry, C.M. & Zhang, W.W., 2014, NuSTAR J0332-2-2746.8: Direct Constraints on the Compton Reflection in a Heavily Obscured Quasar at z  2, The Astrophysical Journal, Vol. 786, p. 16.
  • Marinucci, A., Matt, G., Kara, E., Miniutti, G., Elvis, M., Arevalo, P., Ballantyne, D.R., Balokovic, M., Bauer, F., Brenneman, L., Boggs, S.E., Cappi, M., Christensen, F.E., Craig, W.W., Fabian, A.C., Fuerst, F., Hailey, C.J., Harrison, F.A., Risaliti, G., Reynolds, C.S., Stern, D.K., Walton, D.J. & Zhang, W., 2014, Simultaneous NuSTAR and XMM-Newton 0.5-80 keV spectroscopy of the Narrow Line Seyfert 1 galaxy SWIFT J2127.4+5654, Monthly Notices of the Royal Astronomical Society, Vol. 440, p. 2347.
  • Brenneman, L., Madejski, G., Fuerst, F., Matt, G., Elvis, M., Harrison, F.A., Ballantyne, D., Boggs, S., Christensen, F., Craig, W., Fabian, A.C., Grefenstette, B., Hailey, C., Madsen, K., Marinucci, A., Rivers, E., Stern, D., Walton, D. & Zhang, W., 2014, Measuring the Coronal Properties of IC 4329A with NuSTAR, The Astrophysical Journal, Vol. 781, p. 83.
  • Ballantyne, D.R., McDuffie, J.R. & Rusin, J.S., 2011, A Correlation Between the Ionization State of the Inner Accretion Disk and the Eddington Ratio of Active Galactic Nuclei, The Astrophysical Journal, Vol. 734, p. 112.
  • Ballantyne, D.R., 2010, The Integrated Relativistic Iron Line from Active Galactic Nuclei: Chasing the Spin Evolution of Supermassive Black Holes, The Astrophysical Journal, Vol. 716, p. L27.
  • Ballantyne, D.R., 2010, The Distribution and Cosmic Density of Relativistic Iron Lines in Active Galactic Nuclei, The Astrophysical Journal, Vol. 708, p. L1.
  • Gliozzi, M., Papadakis, I.E., Eracleous, M., Sambruna, R.M., Ballantyne, D.R., Braito, V. & Reeves, J.N., 2009. Short-term Variability and Power Spectral Density Analysis of the Radio-Loud Active Galactic Nucleus 3C 390.3, The Astrophysical Journal, Vol. 703, p. 1021.
  • Sambruna, R.M., Reeves, J.N., Braito, V., Lewis, K.T., Eracleous, M., Gliozzi, M., Tavecchio, F., Ballantyne, D.R., Ogle, P.M., Barth, A.J. & Tueller, J., 2009. Structure of the Accretion Flow in Broad-Line Radio Galaxies: The Case of 3C 390.3., The Astrophysical Journal, Vol. 700, p. 1473.
  • Larsson, J., Fabian, A.C., Ballantyne, D.R. & Miniutti, G., 2008, Exploring the Disc/Jet Interaction in the Radio-Loud Quasar 4C +74.26 with Suzaku, Monthly Notices of the Royal Astronomical Society, Vol. 388, p. 1037.
  • Ballantyne, D.R., Özel, F. & Psaltis, D., 2007, Constraining Radiatively Inefficient Accretion Flows with Polarization, The Astrophysical Journal, Vol. 663, p. L17.
  • Miniutti, G., Ballantyne, D.R., Allen, S.W., Fabian, A.C. & Ross, R.R., 2006, Fe Emission and Ionized Excess Absorption in the Luminous Quasar 3C 109 with XMM-Newton, Monthly Notices of the Royal Astronomical Society, Vol. 371, p. 283.
  • Ballantyne, D.R., 2005, A Complete View of the Broad-Line Radio Galaxy 4C+74.26 with XMM Newton, Monthly Notices of the Royal Astronomical Society, Vol. 362, p. 1183.
  • Ballantyne, D.R. & Fabian, A.C., 2005, Evidence for an Untruncated Accretion Disk in the Broad-Line Radio Galaxy 4C+74.26, The Astrophysical Journal, Vol. 622, p. L97.
  • Ballantyne, D.R., Turner, N.J. & Young, A.J., 2005, X-ray Reflection from Inhomogeneous Accretion Disks: II. Emission Line Variability and Implications for Reverberation Mapping, The Astrophysical Journal, Vol. 619, p. 1028.
  • Ballantyne, D.R., Fabian, A.C. & Iwasawa, K., 2004, The XMM-Newton View of the Broad-Line Radio Galaxy 3C 120, Monthly Notices of the Royal Astronomical Society, Vol. 354, p. 839.
  • Everett, J.E. & Ballantyne, D.R., 2004, Continuum Acceleration of Black Hole Winds, The Astrophysical Journal, Vol. 615, p. L13.
  • Vaughan, S., Fabian, A.C., Ballantyne, D.R., De Rosa, A., Piro, L. & Matt, G., 2004, An XMM-Newton observation of Ark 120: the X-ray spectrum of a ‘bare’ Seyfert 1 nucleus, Monthly Notices of the Royal Astronomical Society, Vol. 351, p. 193.
  • Ballantyne, D.R., Turner, N.J. & Blaes, O.M., 2004, X-ray Reflection from Inhomogeneous Accretion Disks: I. Toy Models and Photon Bubbles, The Astrophysical Journal, Vol. 603, p. 436.
  • Ballantyne, D.R. & Fabian, A.C., 2003, The Contribution of Particle Impact to the Production of Fe Ka Emission from Accreting Black Holes, The Astrophysical Journal, Vol. 592, p. 1089.
  • Ballantyne, D.R., Vaughan, S. & Fabian, A.C., 2003, A two-component ionized reflection model of MCG-6-30-15, Monthly Notices of the Royal Astronomical Society, Vol. 342, p. 239.
  • Vaughan, S., Boller, Th., Fabian, A.C., Ballantyne, D.R., Brandt, W.N. & Trümper, J., 2002, A XMM-Newton observation of Ton S180: Constraints on the continuum emission in ultrasoft Seyfert galaxies, Monthly Notices of the Royal Astronomical Society, Vol. 337, p. 247.
  • Ballantyne, D.R., Ross, R.R. & Fabian, A.C., 2002, Soft X-ray emission lines from photoionized accretion discs: constraints on their strength and width, Monthly Notices of the Royal Astronomical Society, Vol. 336, p. 867.
  • Ross, R.R., Fabian, A.C. & Ballantyne, D.R., 2002, Multiple X-ray reflection from ionized slabs, Monthly Notices of the Royal Astronomical Society, Vol. 336, p. 315.
  • Miller, J.M., Ballantyne, D.R., Fabian, A.C. & Lewin, W.H.G., 2002, Extremely Weak Reflection Features in the X-ray Spectrum of XTE J1118+480: Possible Evidence for X-ray-Emitting Jets?, Monthly Notices of the Royal Astronomical Society, Vol. 335, p. 865.
  • Fabian, A.C., Vaughan, S., Nandra, K., Iwasawa, K., Ballantyne, D.R., Lee, J.C., DeRosa, A., Turner, A. & Young, A.J., 2002, A long hard look at MCG-6-30-15 with XMM-Newton, Monthly Notices of the Royal Astronomical Society, Vol. 335, p. L1.
  • Ballantyne, D.R., Ross, R.R. & Fabian A.C., 2002, On the hard X-ray spectra of radio-loud active galaxies, Monthly Notices of the Royal Astronomical Society, Vol. 332, p. L45.
  • Ballantyne, D.R. & Ross, R.R., 2002, The Response of the Fe Ka Line to Changes in the X-ray Illumination of Accretion Discs, Monthly Notices of the Royal Astronomical Society, Vol. 332, p. 777.
  • Fabian, A.C., Ballantyne, D.R., Merloni, A., Vaughan, S., Iwasawa, K. & Boller, Th., 2002, How the X-ray spectrum of a Narrow-Line Seyfert 1 galaxy may be reflection dominated, Monthly Notices of the Royal Astronomical Society, Vol. 331, p. L35.
  • Ballantyne, D.R., Fabian, A.C. & Ross, R.R., 2002, Fe Ka emission from photoionized slabs: the impact of the iron abundance, Monthly Notices of the Royal Astronomical Society, Vol. 329, p. L67.
  • Boller, Th., Fabian, A.C., Sunyaev, R., Trümper, J., Vaughan, S., Ballantyne, D.R., Brandt, W.N., Keil, R. & Iwasawa, K., 2002, XMM-Newton Discovery of a Sharp Spectral Feature at ~7 keV in the NLS1 Galaxy 1H 0707-495, Monthly Notices of the Royal Astronomical Society, Vol. 329, p. L1.
  • Ballantyne, D.R. & Fabian A.C., 2001, Relativistic Ionized Accretion Disc Models of MCG-6-30-15,  Monthly Notices of the Royal Astronomical Society, Vol. 328, p. L11.
  • Ballantyne, D.R. & Ramirez-Ruiz, E., 2001, Iron Ka Emission From X-ray Reflection: Predictions for Gamma-Ray Burst Models, The Astrophysical Journal, Vol. 559, p. L83.
  • Ballantyne, D.R., Ross, R.R. & Fabian, A.C., 2001, X-ray Reflection By Photoionized Accretion Discs, Monthly Notices of the Royal Astronomical Society, Vol. 327, p.10.
  • Ballantyne, D.R., Iwasawa, K. & Fabian A.C., 2001, Evidence for Ionized Accretion Discs in Five Narrow-Line Seyfert 1 Galaxies, Monthly Notices of the Royal Astronomical Society, Vol. 323, p. 506.
Neutron Star X-ray Burst/Accretion Disk Interactions
  • Speicher, J., Ballantyne, D.R. & Malzac, J., 2020, Cooling of Accretion Disc Coronae by Type I X-ray Bursts, Monthly Notices of the Royal Astronomical Society, Vol. 499, p. 4479.
  • Fragile, P.C., Ballantyne, D.R. & Blankenship, A., 2020, Interactions of Type I X-ray Bursts with Thin Accretion Disks, Nature Astronomy, Vol. 4, p. 541.
  • Bult, P., Jaisawal, G., Güver, T., Strohmayer, T.E., Altamirano, D., Arzoumanian, Z., Ballantyne, D.R., Chakrabarty, D., Chenevez, J., Gendreau, K.C., Guillot, S. & Ludlam, R.M., 2019, A NICER thermonuclear burst from the millisecond X-ray pulsar SAX J1808.4-3658, The Astrophysical Journal, Vol. 885, p. L1.
  • Jaisawal, G., Wilson-Hodge, C.A., Fabian, A.C., Naik, S., Chakrabarty, D., Kretschmar, P., Ballantyne, D.R., Ludlum, R.M., Chenevez, J., Altamirano, D., Arzoumanian, Z., Fürst, F., Gendreau, K.C., Guillot, S., Malacaria, C., Miller, J.M., Stevens, A.L. & Wolff, M.T., 2019, An evolving broad iron line from the first Galactic ultraluminous X-ray pulsar Swift J0243.6+6124, The Astrophysical Journal, Vol. 885, p. 19.
  • in’t Zand, J.J.M., Bozzo, E., Qu, J., Li, X.-D., Amati, L., Chen, Y., Donnarumma, I., Doroshenko, V., Drake, S. A., Hernanz, M., Jenke, P.A., Maccarone, T.J., Mahmoodifar, S., de Martino, D., De Rosa, A., Rossi, E.M., Rowlinson, A., Sala, G., Stratta, G., Tauris, T.M., Wilms, J., Wu, X., Zhou, P., Agudo, I., Altamirano, D., Atteia, J.-L., Andersson, N.A., Baglio, M.C., Ballantyne, D.R., Baykal, A., Behar, E., Belloni, T., Bhattacharyya, S., Bianchi, S., Bilous, A., Blay, P., Braga, J., Brandt, S., Brown, E.F., Bucciantini, N., Burderi, L., Cackett, E.M., Campana, R., Campana, S., Casella, P., Cavecchi, Y., Chambers, F., Chen, L., Chen, Y.P., Chenevez, J., Chernyakova, M., Jin, C., Ciolfi, R., Costantini, E., Cumming, A., D’Aì, A., Dai, Z.G., D’Ammando, F., De Pasquale, M., Degenaar, N., Del Santo, M., D’Elia, V., Di Salvo, T., Doyle, G., Falanga, M., Fan, X., Ferdman, R.D., Feroci, M., Fraschetti, F., Galloway, D.K., Gambino, A.F., Gandhi, P., Ge, M., Gendre, B., Gill, R., Götz, D., Gouiffès, C., Grandi, P., Granot, J., Güdel, M., Heger, A., Heinke, C.O., Homan, J., Iaria, R., Iwasawa, K., Izzo, L., Ji, L., Jonker, P.G., José, J., Kaastra, J.S., Kalemci, E., Kargaltsev, O., Kawai, N., Keek, L., Komossa, S., Kreykenbohm, I., Kuiper, L., Kunneriath, D., Li, G., Liang, E.W., Linares, M., Longo, F., Lu, F., Lutovinov, A.A., Malyshev, D., Malzac, J., Manousakis, A., McHardy, I., Mehdipour, M., Men, Y., Méndez, M., Mignani, R.P., Mikusincova, R., Miller, M.C., Miniutti, G., Motch, C., Nättilä, J., Nardini, E., Neubert, T., O’Brien, P.T., Orlandini, M., Osborne, J.P., Pacciani, L., Paltani, S., Paolillo, M., Papadakis, I.E., Paul, B., Pellizzoni, A., Peretz, U., Perez Torres, M.A., Perinati, E., Prescod-Weinstein, C., Reig, P., Riggio A., Rodriguez, J., Rodrguez-Gil, P., Romano, P., R oza nska, A., Sakamoto, T., Salmi, T., Salvaterra, R., Sanna, A., Santangelo, A., Savolainen, T., Schanne, S., Schatz, H., Shao, L., Shearer, A., Shore, S.N., Stappers, B.W., Strohmayer, T.E., Suleimanov, V.F., Svoboda, J., Thielemann, F.-K., Tombesi, F., Torres, D.F., Torresi, E., Turriziani, S., Vacchi, A., Vercellone, S., Vink, J., Wang, J.-M., Weng, J., Watts, A.L., Weng, S., Weinberg, N.N., Wheatley, P.J., Wijnands, R., Woods, T.E., Woosley, S.E., Xiong, S., Xu, Y., Yan, Z., Younes, G., Yu, W., Yuan, F., Zampieri, L., Zane, S., Zdziarski, A., Zhang, S.-N., Zhang, S., Zhang, S., Zhang, X. & Zingale, M., 2019, Observatory Science with eXTP, Sci. China Phys. Mech. Astron., Vol. 62, p., 29506
  • Fragile, P.C., Ballantyne, D.R., Maccarone, T.J. & Witry, J.W.L., 2018, Simulating the Collapse of a Thick Accretion Disk due to a Type I X-ray Burst from a Neutron Star, The Astrophysical Journal, Vol. 867, p. L28.
  • Degenaar, N., Ballantyne, D.R., Belloni, T., Chakraborty, M., Chen, Y.-P., Ji, L., Kretschmar, P., Kuulkers, E., Li, J., Maccarone, T.J., Malzac, J., Zhang, S. & Zhang, S.-N., 2018, Accretion Disks and Coronae in the X-ray Flashlight, Space Science Reviews, Vol. 214, p. 15.
  • Keek, L., Iwakiri, W., Serino, M., Ballantyne, D.R., in ‘t Zand, J.J.M. & Strohmayer, T.E., 2017, X-ray Reflection and an Exceptionally Long Thermonuclear Helium Burst from IGR J17062-6143, The Astrophysical Journal, Vol. 836, p. 111.
  • Keek, L., Wolf, Z. & Ballantyne, D.R., 2016, Accretion Disk Signatures in Type I X-ray Bursts: Prospects for Future Missions, The Astrophysical Journal, Vol. 826, p. 79.
  • Keek, L., Cumming, A., Wolf, Z., Ballantyne, D.R., Suleimanov, V.F., Kuulkers, E. & Strohmayer, T.E., 2015, The imprint of carbon combustion on a superburst from the accreting neutron star 4U 1636-536, Monthly Notices of the Royal Astronomical Society, Vol. 454, p. 3559.
  • Keek, L., Ballantyne, D.R., Kuulkers, E. & Strohmayer, T.E., 2014, X-raying an Accretion Disk in Realtime: The Evolution of Ionized Reflection During a Superburst from 4U 1636-536, The Astrophysical Journal, Vol. 797, p. L23.
  • Keek, L., Ballantyne, D.R., Kuulkers, E. & Strohmayer, T.E., 2014, Characterizing the Evolving X-ray Spectral Features During a Superburst from 4U 1636-536, The Astrophysical Journal, Vol. 789, p. 121.
  • in t’ Zand, J.J.M., Galloway, D.K., Marshall, H.L., Ballantyne, D.R., Jonker, P.G., Paerels, F.B.S., Palmer, D.M., Patruno, A. & Weinberg, N.N., 2013, A bright thermonuclear X-ray burst simultaneously observed with Chandra and RXTE, Astronomy & Astrophysics, Vol. 553, p. A83.
  • Ballantyne, D.R., Purvis, J.D., Strausbaugh, R.G. & Hickox, R.C., 2012, Ionized Reflection Spectra from Accretion Disks Illuminated by X-ray Pulsars, The Astrophysical Journal, Vol. 747, p. L35.
  • in t’ Zand, J.J.M., Galloway, D.K. & Ballantyne, D.R., 2011, Achromatic late-time variability in thermonuclear X-ray bursts: An accretion disk disrupted by a nova-like shell?, Astronomy & Astrophysics, Vol. 525, p. A111.
  • Cackett, E.M., Miller, J.M., Ballantyne, D.R., Barret, D., Bhattacharyya, S., Boutelier, M., Miller, M.C., Strohmayer, T.E. & Wijnands, R., 2010, Relativistic Lines and Reflection From the Inner Accretion Disks Around Neutron Stars, The Astrophysical Journal, Vol. 720, p. 205.
  • D’Ai, A., Di Salvo, T., Ballantyne, D., Iaria, R., Robba. N.R., Papitto, A., Riggio, A., Burderi, L., Piraino, S., Santangelo, A., Matt, G., Dovčiak, M. & Karas, V., 2010, A Self-Consistent Approach to the Hard and Soft States of 4U 1705-44, Astronomy & Astrophysics, Vol. 516, p. A36.
  • Ballantyne, D.R. & Everett, J.E., 2005, On the Dynamics of Suddenly Heated Accretion Disks Around Neutron Stars, The Astrophysical Journal, Vol. 626, p. 364.
  • Ballantyne, D.R., 2004, Reflection spectra from an accretion disc illuminated by a neutron star X-ray burst, Monthly Notices of the Royal Astronomical Society, Vol. 351, p. 57.
  • Ballantyne, D.R. & Strohmayer, T.E., 2004, The Evolution of the Accretion Disk around 4U 1820-30 During a Superburst, The Astrophysical Journal, Vol. 602, p. L105.
AGN Evolution
  • Baloković, M., Harrison, F.A., Madejski, G., Comastri, A., Ricci, C., Annuar, A., Ballantyne, D.R., Boorman, P., Brandt, W.N., Brightman, M., Gandhi, P., Kamraj, N., Koss, M.J., Marchesi, S., Marinucci, A., Masini, A., Matt, G., Stern, D. & Urry, C.M., 2020, NuSTAR Survey of Obscured Swift/BAT-selected Active Galactic Nuclei: II. Median High-energy Cutoff in Seyfert II Hard X-ray Spectra, The Astrophysical Journal, in press.
  • Annuar, A., Alexander, D.M., Gandhi, P., Lansbury, G.B., Asmus, D., Baloković, M., Ballantyne, D.R., Bauer, F.E., Boorman, P.G., Brandt, W.N., Brightman, M., Chen, C.-T.J., Del Moro, A., Farrah, D., Harrison, F.A., Koss, M.J., Lanz, L., Marchesi, S., Masini, A., Nardini, E., Ricci, C., Stern, D. & Zappacosta, L., 2020, NuSTAR Observations of Four Nearby X-ray Faint AGN: Low Luminosity or Heavily Obscured?, Monthly Notices of the Royal Astronomical Society, Vol. 497, p. 229.
  • Avirett-Mackenzie, M.S. & Ballantyne, D.R., 2019, The evolving X-ray spectrum of active galactic nuclei: evidence for an increasing reflection fraction with redshift, Monthly Notices of the Royal Astronomical Society, Vol. 486, p. 3488.
  • Gohil, R., Ballantyne, D.R. & Li, G., 2019, The stellar remnants of high redshift nuclear starburst discs: a potential origin for nuclear star clusters?, Monthly Notices of the Royal Astronomical Society, Vol. 485, p. 2935.
  • Yan, W., Hickox, R.C., Hainline, K.N., Stern, D., Lansbury, G., Alexander, D.M., Hviding, R.E., Assef, R., J., Ballantyne, D.R., Dipompeo, M.A., Lanz, L., Carroll, C.M., Koss, M., Lamberti, I., Civano, F., Del Moro, A., Gandhi, P. & Myers, A.D., 2019, NuSTAR and Keck Observations of Heavily Obscured Quasars Selected by WISE, The Astrophysical Journal, Vol. 870, p. 33.
  • Lanz, L., Hickox, R.C., Balokovic, M., Shimizu, T., Ricci, C., Goulding, A.D., Ballantyne, D.R., Bauer, F.E., Chen, C.-T. J., Del Moro, D., Farrah, D., Koss, M.J., LaMassa, S., Masini, A. & Zappacosta, L., 2019, Investigating the Covering Fraction Distribution of Swift/BAT AGN with X-ray and IR Observations, The Astrophysical Journal, Vol. 870, p. 26.
  • Masini, A., Ciavno, F., Comastri, A., Fornasini, F., Ballantyne, D.R., Lansbury, G., Treister, E., Alexander, D.M., Boorman, P.G., Brandt, W.N., Farrah, D., Gandhi, P., Harrison, F.A., Hickox, R.C., Kocevski, D.D., Lanz, L., Marchesi, S., Puccetti, S., Ricci, C., Saez, C., Stern, D. & Zappacosta, L., 2018, The NuSTAR Extragalactic Surveys: Source Catalog and the Compton-Thick Fraction in the UDS Field, The Astrophysical Journal Supplement Series, Vol. 235, p.17.
  • Singal, J., Haider, J., Ajello, M., Ballantyne, D. R., Bunn, E., Condon, J., Dowell, J., Fixsen, D., Fornengo, N., Harms, B., Holder, G., Jones, E., Kellermann, K., Kogut, A., Linden, T., Monsalve, R., Mertsch, P., Murphy, E., Orlando, E., Regis, M., Scott, D., Vernstrom, T. & Xu, L., 2018, The Radio Synchrotron Background: Conference Summary and Report, Publications of the Astronomical Society of the Pacific, Vol. 130, p. 036001.
  • Gohil, R. & Ballantyne, D.R., 2018, The Shape of the Cosmic X-ray Background: Nuclear Starburst Discs and the Redshift Evolution of AGN Obscuration, Monthly Notices of the Royal Astronomical Society, Vol. 475, p. 3543.
  • Zappacosta, L., Comastri, A., Civano, F., Puccetti, S., Fiore, F., Aird, J., Del Moro, A., Lansbury, G.B., Lanzuisi, G., Goulding, A., Mullaney, J.R., Stern, D., Ajello, M., Alexander, D.M., Ballantyne, D.R., Bauer, F.E., Brandt, W.N., Chen, C.-T.J., Farrah, D., Harrison, F.A., Gandhi, P., Lanz, L., Masini, A., Marchesi, S., Ricci, C. & Treister, E., 2018, The NuSTAR Extragalactic Surveys: X-ray Spectroscopic Analysis of the Bright Hard-Band Sample, The Astrophysical Journal, Vol. 854, p. 33.
  • Sartori, L.F., Schawinski, K, Koss, M.J., Ricci, C., Treister, E., Stern, D., Lansbury, G., Maksym, W.P., Baloković, M., Gandhi, P., Keel, W.C. & Ballantyne, D.R., 2018, Joint NuSTAR and Chandra analysis of the obscured quasar in IC 2494 – Hanny’s Voorwerp system, Monthly Notices of the Royal Astronomical Society, Vol. 474, p. 2444.
  • Del Moro, A., Alexander, D.M., Aird, J.A., Bauer, F.E., Civano, F., Mullaney, J.R., Ballantyne, D.R., Brandt, W.N., Comastri, A., Gandhi, P., Harrison, F.A., Lansbury, G.B., Lanz, L., Luo, B., Marchesi, S., Puccetti, S., Ricci, C., Saez, C., Stern, D., Treister, E. & Zappacosta, L., 2017, The NuSTAR Extragalactic Survey: Average Broad-band X-ray Spectral Properties of the NuSTAR Detected AGN, The Astrophysical Journal, Vol. 849, p. 57.
  • Lansbury, G.B., Alexander, D.M., Aird, J., Gandhi, P., Stern, D., Koss, M., Ajello, M., Assef, R.J., Ballantyne, D.R., Baloković, M., Bauer, F.E., Brandt, W.N., Brightman, M., Chen, C.-T.J., Civano, F., Comastri, A., Del Moro, A., Fuentes, C., Harrison, F.A., Marchesi, S., Masini, A., Mullaney, J.R., Ricci, C., Saez, C., Tomsick, J.A., Treister, E., Walton, D.J. & Zappacosta, L., 2017, The NuSTAR Serendipitous Survey: Hunting for the Most Extreme Obscured AGN at > 10 keV, The Astrophysical Journal, Vol. 846, p. 20.
  • Brightman, M., Baloković, M., Ballantyne, D.R., Bauer, F.E., Boorman, P., Buchner, J., Brandt, W.N., Comastri, A., Del Moro, A., Farrah, D., Harrison, F.A., Koss, M., Lanz, L., Masini, A., Ricci, C., Stern, D., Vasudevan, R. & Walton, D.J., 2017, X-ray Bolometric Corrections for Compton-Thick Active Galactic Nuclei, The Astrophysical Journal, Vol. 844, p. 10.
  • Gohil, R. & Ballantyne, D.R., 2017, Modeling the Vertical Structure of Nuclear Starburst Discs: A Possible Source of AGN Obscuration at z~1, Monthly Notices of the Royal Astronomical Society, Vol. 468, p. 4944.
  • Annuar, A., Alexander, D.M., Gandhi, P., Lansbury, G.B., Asmus, D., Ballantyne, D.R., Bauer, F.E., Boggs, S.E., Boorman, P.G., Brandt, W.N., Brightman, M., Christensen, F.E., Craig, W.W., Farrah, D., Goulding, A.D., Hailey, C.J., Harrison, F.A., Koss, M.J., LaMassa, S.M., Murray, S.S., Ricci, C., Rosario, D.J., Stanley, F., Stern, D. & Zhang, W., 2017, A New Compton-Thick AGN in Our Cosmic Backyard: Unveiling the Buried Nucleus in NGC 1448 with NuSTAR, The Astrophysical Journal, Vol. 836, p. 165.
  • Lansbury, G., Stern, D., Aird, J., Alexander, D.M., Fuentes, C., Harrison, F.A., Treister, E., Bauer, F.E., Tomsick, J.A., Baloković, M., Del Moro, A., Gandhi, P., Ajello, M., Annuar, A., Ballantyne, D.R., Boggs, S.E., Brandt, W.N., Brightman, M., Chen, C.-T.J., Christensen, F.E., Civano, F., Comastri, A., Craig, W.W., Forster, K., Grefenstette, B.W., Hailey, C.J., Hickox, R.C., Jiang, B., Jun, H.D., Koss, M., Marchesi, S., Melo, A.D., Mullaney, J.R., Noirot, G., Schulze, S., Walton, D.J., Zappacosta, L. & Zhang, W.W., 2017, The NuSTAR Serendipitous Survey: The 40 Month Catalog and the Properties of the Distant High Energy X-ray Source Population, The Astrophysical Journal, Vol. 836, p. 99.
  • Ricci, C., Assef, R.J., Stern, D., Nikutta, R., Alexander, D.M., Asmus, D., Ballantyne, D.R., Bauer, F.E., Blain, A.W., Boggs, S., Boorman, P.G., Brandt, W.N., Brightman, M., Chen, C.-T.,J., Christensen, F.E., Comastri, A., Craig, W.W., Díaz-Santos, T., Eisenhardt, P.R., Farrah, D., Gandhi, P., Hailey, C.J., Harrison, F.A., Jun, H.D., Koss, M.J., LaMassa, S., Lansbury, G., Markwardt, C.B., Stalevski, M., Stanley, F., Treister, E., Tsai, C.-W., Walton, D.J., Wu, J.W. & Zhang, W.W., 2017, NuSTAR Observations of WISE J1036+0449, A Galaxy at z~1 Obscured by Hot Dust, The Astrophysical Journal, Vol. 835, p. 105.
  • Ballantyne, D.R., 2017, Clustering, Cosmology and a New Era of Black Hole Demographics – I. The Conditional Luminosity Function of Active Galactic Nuclei, Monthly Notices of the Royal Astronomical Society, Vol. 464, p. 613.
  • Ballantyne, D.R., 2017, Clustering, Cosmology and a New Era of Black Hole Demographics – II. The Conditional Luminosity Functions of Type 2 and Type 1 Active Galactic Nuclei, Monthly Notices of the Royal Astronomical Society, Vol. 464, p. 626.
  • Boorman, P.G., Gandhi, P., Alexander, D.M., Annuar, A., Ballantyne, D.R., Bauer, F.E., Boggs, S.E., Brandt, W.N., Brightman, M., Christensen, F.E., Craig, W.W., Farrah, D., Hailey, C.J., Harrison, F.A., Hönig, S.F., Koss, M., LaMassa, S.M., Masini, A., Ricci, C., Risaliti, G., Stern, D. & Zhang, W.W., 2016, IC 3639 – A New Bona Fide Compton Thick AGN Unveiled by NuSTAR, The Astrophysical Journal, Vol. 833, p. 245.
  • Harrison, F.A., Aird, J., Civano, F., Lansbury, G., Mullaney, J.R., Ballantyne, D.R., Alexander, D.M., Stern, D., Ajello, M., Barret, D., Bauer, F.E., Baloković, M., Brandt, W.N., Brightman, M., Boggs, S.E., Christensen, F.E., Comastri, A., Craig, W.W., Del Moro, A., Forster, K., Gandhi, P., Giommi, P., Grefenstette, B.W., Hailey, C.J., Hickox, R.C., Hornstrup, A., Kitaguchi, T., Koglin, J., Luo, B., Madsen, K.K., Mao, P.H., Miyasaka, H., Mori, K., Perri, M., Pivovaroff, M., Puccetti, S., Rana, V., Treister, E., Walton, D., Westergaard, N.J., Wik, D., Zappacosta, L., Zhang, W.W. & Zoglauer, A., 2016, The NuSTAR Extragalactic Surveys: The Number Counts of Active Galactic Nuclei and the Resolved Fraction of the Cosmic X-ray Background, The Astrophysical Journal, Vol. 831, p. 185.
  • Farrah, D., Baloković, M., Stern, D., Harris, K., Alexander, D.M., Arévalo, P., Ballantyne, D.R., Bauer, F.E., Boggs, S., Brandt, W.N., Brightman, M., Christensen, F., Clements, D.L., Craig, W., Fabian, A., Hailey, C., Harrison, F., Koss, M., Kunimoto, M., Lansbury, G.B., Luo, B., Paine, J., Petty, S., Pitchford, K., Ricci, C., Walton, D.J. & Zhang, W., 2016, The Geometry of the Infrared and X-ray Obscurer in a Dusty Hyperluminous Quasar, The Astrophysical Journal, Vol. 831, p. 76.
  • Brightman, M., Masini, A., Ballantyne, D.R., Baloković, M., Brandt, W.N., Chen, C.-T., Comastri, A., Farrah, D., Gandhi, P., Harrison, F.A., Ricci, C., Stern, D. & Walton, D.J., 2016, A Growth-Rate Indicator for Compton-Thick Active Galactic Nuclei, The Astrophysical Journal, Vol. 826, p. 93.
  • Koss, M.J., Assef, R., Baloković, M., Stern, D., Gandhi, P., Lamperti, I., Alexander, D.M., Ballantyne, D.R., Bauer, F.E., Berney S., Brandt, W.N., Comastri, A., Gehrels, N., Harrison, F.A., Lansbury, G., Markwardt, C., Ricci, C., Rivers, E., Schawinski, K., Trakhtenbtot, B., Treister, E. & Urry, C.M., 2016, A New Population of Compton-Thick AGNs Identified Using the Spectral Curvature Above 10 keV, The Astrophysical Journal, Vol. 825, p. 85.
  • Koss, M.J., Glidden, A., Baloković, M., Stern, D., Lamperti, I., Assef, R., Bauer, F., Ballantyne, D., Boggs, S.E., Craig, W.W., Farrah, D., Füerst, F., Gandhi, P., Gehrels, N., Hailey, C.J., Harrison, F.A., Markwardt, C., Masini, A., Ricci, C., Treister, E., Walton, D.J. & Zhang, W.W., 2016, NuSTAR Resolves the First Dual AGN Above 10 keV in SWIFT J2028.5+2543, The Astrophysical Journal, Vol. 824, L4.
  • Masini, A., Comastri, A., Baloković, M. Zaw, I., Puccetti, S., Ballantyne, D.R., Bauer, F.E., Boggs, S.E., Brandt, W.N., Brightman, M., Christensen, F.E., Craig, W.W., Gandhi, P., Hailey, C.J., Harrison, F.A., Koss, M.J., Madejski, G., Ricci, C., Rivers, E., Stern, D. & Zhang, W.W., 2016, NuSTAR Observations of Water Megamaser AGN, Astronomy & Astrophysics, Vol. 589, p. A59.
  • Aird, J., Alexander, D.M., Ballantyne, D.R., Civano, F., Del-Moro, A., Hickox, R.C., Lansbury, G.B., Mullaney, J.R., Bauer, F.E., Brandt, W.N., Comastri, A., Fabian, A.C., Gandhi, P., Harrison, F.A., Luo, B., Stern, D., Treister, E., Zappacosta, L., Ajello, M., Assef, R., Balkovic, M., Boggs, S.E., Brightman, M., Christensen, F.E., Craig, W.W., Elvis, M., Forster, K., Grefenstette, B.W., Hailey, C.J., Koss, M., LaMassa, S.M., Madsen, K.K., Puccetti, S., Saez, C., Urry, C.M., Wik, D.R. & Zhang, W., 2015, The NuSTAR Extragalactic Survey: First Direct Measurement of the > 10 keV X-ray Luminosity Function for Active Galactic Nuclei at z > 0.1, The Astrophysical Journal, Vol. 815, p. 66.
  • Annur, A., Gandhi, P., Alexander, D.M., Lansbury, G.B., Arévalo, P., Ballantyne, D.R., Baloković, M., Bauer, F.E., Boggs, S.E., Brandt, W.N., Brightman, M., Christensen, F.E., Craig, W.W., Del Moro, A., Hailey, C.J., Harrison, F.A., Hickox, R.C., Matt, G., Puccetti, S., Ricci, C., Rigby, J.R., Stern, D., Walton, D.J., Zappacosta, L & Zhang, W., 2015, NuSTAR Observations of the Compton-Thick Active Galactic Nucleus and Ultraluminous X-ray Source Candidate in NGC 5643, The Astrophysical Journal, Vol. 815, p. 36.
  • Lansbury, G.B., Gandhi, P., Alexander, D.M., Assef, R.J., Annur, A., Ballantyne, D.R., Bauer, F.E., Boggs, S.E., Brandt, W.N., Brightman, M., Christensen, F.E., Civano, F., Comastri, A., Craig, W.W., Del Moro, A., Grefenstette, B.W., Hailey, C.J., Harrison, F.A., Hickox, R.C., Koss, M., LaMassa, S.M., Luo, B., Puccetti, S., Stern, D., Treister, E., Vignali, C., Zappacosta, L. & Zhang, W.W., 2015, NuSTAR Reveals Extreme Absorption in z ≾ 0.5 Type 2 Quasars, The Astrophysical Journal, Vol. 809, p. 115.
  • Civano, F., Hickox, R., Puccetti, S., Comastri, A., Mullaney, J., Zappacosta, L., LaMassa, S., Aird, J., Alexander, D.M., Ballantyne, D.R., Bauer, F.E., Brandt, W.N., Boggs, S.E., Christensen, F.E., Craig, W.W., Del-Moro, A., Elvis, M., Forster, K., Gandhi, P., Grefenstette, B.W., Hailey, C.J., Harrison, F.A., Lansbury, G.B., Luo, B., Madsen, K., Saez, C., Stern, D., Treister, E., Urry, C.M., Wik, D.R. & Zhang, W.W., 2015, The NuSTAR Extragalactic Surveys: Overview and Catalog from the COSMOS Field, The Astrophysical Journal, Vol. 808, p. 185.
  • Mullaney, J.R., Del-Moro, A., Aird, J., Alexander, D.M., Civano, F.M., Hickox, R.C., Lansbury, G.B., Ajello, M., Assef, R., Ballantyne, D.R., Baloković, M., Bauer, F.E., Brandt, W.N., Boggs, S.E., Brightman, M., Christensen, F.E., Comastri, A., Craig, W.W., Elvis, M., Forster, K., Gandhi, P., Grefenstette, B.W., Hailey, C.J., Harrison, F.A., Koss, M., LaMassa, S.M., Luo, B., Madsen, K.K., Puccetti, S., Saez, C., Stern, D., Treister, E., Urry, C.M., Wik, D.R., Zappacosta, L. & Zhang, W., 2015, The NuSTAR Extragalactic Surveys: Initial Results and Catalog from the Extended Chandra Deep Field South, The Astrophysical Journal, Vol. 808, p. 184.
  • Koss, M.J., Romero-Cañizales, C., Teng, S.H., Baloković, M., Puccetti, S., Bauer, F.E., Arévalo, P., Assef, R., Ballantyne, D.R., Baronchelli, L., Brandt, W.N., Brightman, M., Comastri, A., Gandhi, P., Harrison, F.A., Luo, B., Schawinski, K., Stern, D. & Treister, E., 2015, Broadband Observations of the Compton-Thick Nucleus of NGC 3393, The Astrophysical Journal, Vol. 807, p. 149.
  • Brightman, M., Baloković, M., Stern, D., Arévalo, P., Ballantyne, D.R., Bauer, F.E., Boggs, S.E., Craig, W.W., Christensen, F.E., Comastri, A., Fuerst, F., Gandhi, P., Hailey, C.J., Harrison, F.A., Hickox, R., Koss, M., LaMassa, S., Puccetti, S., Rivers, L., Vasudevan, R., Walton, D.J. & Zhang, W.W., 2015, Determining the Covering Factor of Compton-thick Active Galactic Nuclei with NuSTAR, The Astrophysical Journal, Vol. 805, p. 41.
  • Gohil, R. & Ballantyne, D.R., 2015, On the equivalent width of the Fe Kα line produced by a dusty absorber in active galactic nuclei, Monthly Notices of the Royal Astronomical Society, Vol. 449, p. 1449.
  • Stern, D. Lansbury, G.B., Assef, R.J., Brandt, W.N., Alexander, D.M., Ballantyne, D.R., Baloković, M., Benford, D., Blain, A., Boggs, S.E., Bridge, C., Brightman, M., Christensen, F.E., Comastri, A., Craig, W.W., Del Moro, A., Eisenhardt, P.R.M., Gandhi, P., Griffith, R., Hailey, C.J., Harrison, F.A., Hickox, R.C., Jarret, T.H., Koss, M., Lake, S., LaMassa, S.M., Luo, B., Tsai, C.-W., Walton, D.J., Wright, E.L., Wu, J., Yan, L., & Zhang, W.W., 2014, NuSTAR and XMM-Newton Observations of Luminous, Heavily Obscured, WISE-Selected Quasars at z~2, The Astrophysical Journal, Vol. 794, p. 102.
  • Baloković, M., Comastri, A., Harrison, F.A., Ballantyne, D.R., Boggs, S.E., Brandt, W.N., Brightman, M., Christensen, F.E., Craig, W.W., Del Moro, A., Gandhi, P., Hailey, C.J., Koss, M., Lansbury, G.B., Luo, B., Madejski, G.M., Marinucci, A., Markwardt, C.B., Reynolds, C.S., Risaliti, G., Rivers, E., Stern, D., Walton, D.J., Zhang, W.W., 2014, The NuSTAR View of Nearby Compton-Thick AGN: The Cases of NGC 424, NGC 1320 and IC 2560, The Astrophysical Journal, Vol. 794, p. 111.
  • Gandhi, P., Lansbury, G.B., Alexander, D.M., Stern, D., Arévalo, P., Ballantyne, D.R., Baolković, M., Bauer, F.E., Boggs, S.E., Brandt, W.N., Brightman, M.R., Christensen, F.E., Comastri, A., Craig, W.E., Del Moro, A., Elvis, M., Fabian, A.C., Hailey, C.J., Harrison, F.A., Hickox, R.C., Koss, M.R., LaMassa, S.M., Luo, B., Madejski, G.M., Ptak, A.F., Puccetti, S., Teng, S.H., Urry, C.M., Walton, D.J. & Zhang, W.W., 2014, NuSTAR Unveils a Compton-thick Type 2 Quasar in Mrk 34, The Astrophysical Journal, Vol. 792, p. 117.
  • Lansbury, G.B., Alexander, D.M., Del Moro, A., Gandhi, P., Assef, R.J., Stern, D., Aird, J., Ballantyne, D.R., Bauer, F.E., Boggs, S.E., Brandt, W.N., Christensen, F.E., Craig, W.W., Elvis, M., Grefenstette, B.W., Hailey, C.J., Harrison, F.A., Hickox, R.C., Koss, M., LaMassa, S.M., Luo, B., Mullaney, J.R., Teng, S.H., Urry, C.M. & Zhang, W.W., 2014, NuSTAR Observations of Heavily Obscured Quasars at z~0.5, The Astrophysical Journal, Vol. 785, p. 17.
  • Grissom, R.L., Ballantyne, D.R. & Wise, J.H., 2014, On the Contribution of Active Galactic Nuclei to Reionization, Astronomy & Astrophysics, Vol. 561, p. A90.
  • Ballantyne, D.R., 2014, The average 0.5-200 keV spectrum of local active galactic nuclei and a new determination of the 2-10 keV luminosity function at z≈ 0, Monthly Notices of the Royal Astronomical Society, Vol. 437, p. 2845.
  • La Massa, S.M., Urry, C.M., Cappelluti, N., Civano, F., Ranalli, P., Glikman, E., Treister, E., Richards, G., Ballantyne, D., Stern, D., Cardamone, C., Schawinski, K., Böhringer, H., Chon, G., Murray, S.S., Green, P. & Nandra, K., 2013, Finding Rare AGN: XMM-Newton and Chandra Observations of SDSS Stripe 82, Monthly Notices of the Royal Astronomical Society, Vol. 436, p. 3581.
  • Alexander, D.M., Stern, D., Del Moro, A., Lansbury, G.B., Assef, R.J., Aird, J., Ajello, M., Ballantyne, D.R., Bauer, F.E., Boggs, S.E., Brandt, W.N., Christensen, F.E., Civano, F., Comastri, A., Craig, W.W., Elvis, M., Grefenstette, B.W., Hailey, C.J., Harrison, F.A., Hickox, R.C., Luo, B., Madsen, K.K., Mullaney, J.R., Perri, M., Puccetti, S., Saez, C., Treister, E., Urry, C.M., Zhang, W.W., Bridge, C.R., Eisenhardt, P.R.M., Gonzalez, A.H., Miller, S.H. & Tsai, C.W., 2013, The NuSTAR Extragalactic Survey: A First Sensitive Look at the High-Energy Cosmic X-ray Background Population, The Astrophysical Journal, Vol. 773, p. 125.
  • Draper, A.R. & Ballantyne, D.R., 2012, The Merger-Triggered Active Galactic Nucleus Contribution to the Ultraluminous Infrared Galaxy Population, The Astrophysical Journal, Vol. 753, p. L37.
  • Armour, J.N. & Ballantyne, D.R., 2012, CO Line Emission from Compact Nuclear Starburst Disks Around Active Galactic Nuclei, The Astrophysical Journal, Vol. 752, p. 87.
  • Draper, A.R. & Ballantyne, D.R., 2012, A Tale of Two Populations: The Contribution of Merger and Secular Processes to the Evolution of Active Galactic Nuclei, The Astrophysical Journal, Vol. 751, p. 72.
  • Pierce, C.M., Ballantyne, D.R. & Ivison, R.J., 2011, Evidence for Moderate Star Formation Rates in the Host Galaxies of Active Galactic Nuclei at z < 1, The Astrophysical Journal, Vol. 742, p. 45.
  • Draper, A.R., Northcott, S. & Ballantyne, D.R., 2011, Are Active Galactic Nuclei the Solution to the Excess Cosmic Radio Background at 1.4 GHz?, The Astrophysical Journal, Vol. 741, p. L39.
  • Draper, A.R. & Ballantyne, D.R., 2011, The Young, the Old, and the Dusty: Stellar Populations of AGN Hosts, The Astrophysical Journal, Vol. 740, p. 57.
  • Ballantyne, D.R., Draper, A.R., Madsen, K.K., Rigby, J.R. & Treister, E., 2011, Lifting the Veil on Obscured Accretion: Active Galactic Nuclei Number Counts and Survey Strategies for Imaging Hard X-ray Missions, The Astrophysical Journal, Vol. 736, p. 56.
  • Draper, A.R. & Ballantyne, D.R., 2011, Properties and Expected Number Counts of Active Galactic Nuclei and their Hosts in the Far Infrared, The Astrophysical Journal, Vol. 729, p. 109.
  • Draper, A.R. & Ballantyne, D.R., 2010, The Evolution and Eddington Ratio Distribution of Compton Thick Active Galactic Nuclei, The Astrophysical Journal, Vol. 715, p. L99.
  • Draper, A.R. & Ballantyne, D.R., 2009, Balancing the Cosmic Energy Budget: The Cosmic X-ray Background, Blazars, and the Compton Thick Active Galactic Nucleus Fraction, The Astrophysical Journal, Vol. 707, p. 778.
  • Ballantyne, D.R., 2009, The Contribution of Active Galactic Nuclei to the Microjansky Radio Population, The Astrophysical Journal, Vol. 698, p. 1033.
  • Ballantyne, D.R., 2008, Obscuring Active Galactic Nuclei with Nuclear Starburst Disks, The Astrophysical Journal, Vol. 685, p. 787.
  • Ballantyne, D.R. & Papovich, C., 2007, On the Contribution of AGN to the Cosmic Background Radiation, The Astrophysical Journal, Vol. 660, p. 988.
  • Ballantyne, D.R., Shi, Y., Rieke, G.H., Donley, J.L., Papovich, C. & Rigby, J.R., 2006, Does the AGN Unified Model Evolve with Redshift? Utilizing the X-Ray Background to Predict the Mid-Infrared Emission of AGN, The Astrophysical Journal, Vol. 653, p. 1070.
  • Ballantyne, D.R., Everett, J.E. & Murray, N., 2006, Connecting Galaxy Evolution, Star Formation and the X-ray Background, The Astrophysical Journal, Vol. 639, p. 740.
Other Topics
  • Li, K., Bogdanović, T. & Ballantyne, D.R., 2020, The Pairing Probability of Massive Black Holes in Merger Galaxies in the Presence of Radiative Feedback, The Astrophysical Journal, in press.
  • Li, K., Bogdanović, T. & Ballantyne, D.R., 2020, Pairing of Massive Black Holes in Merger Galaxies Driven by Dynamical Friction, The Astrophysical Journal, Vol. 896, p. 113.
  • Rujopakarn, W., Dunlop, J.S., Rieke, G.H., Ivison, R.J., Cibinel, A., Nyland, K., Jagannathan, P., Silverman, J.D., Alexander, D.M., Biggs, A.D., Bhatnagar, S., Ballantyne, D.R., Dickinson, M., Elbaz, D., Geach, J.E., Hayward, C.C., Kirkpatrick, A., McLure, R.J., Michałowski, M.J., Miller, N.A., Narayanan, D., Owen, F.N., Pannella, M., Papovich, C., Pope, A., Rau, U., Robertson, B.E., Scott, D., Swinbank, A.M., van der Werf, P., van Kampen, E. & Windhurst, R.A., 2016, VLA and ALMA Imaging of Intense, Galaxy-Wide Star Formation in z~2 Galaxies, The Astrophysical Journal, Vol. 833, p. 12.
  • Harrison, F.A., Craig, W.W., Christensen, F.E., Hailey, C.J., Zhang, W.W., Boggs, S.E., Stern, D., Cook, W.R., Forster, K., Giommi, P., Grefenstette, B.W., Kim, Y., Kitaguchi, T., Koglin, J.E., Madsen, K.K., Mao, P.H., Miyasaka, H., Mori, K., Perri, M., Pivovaroff, M.J., Puccetti, S., Rana, V.R., Westergaard, N.J., Willis, J., Zoglauer, A., An, H., Bachetti, M., Barriere, N.M., Bellm, E.C., Bhaloerao, V., Brejnholt, N.F., Fuerst, F., Liebe, C.C., Markwardt, C.B., Nynka, M., Vogel, J.K., Walton, D.J., Wik, D.R., Alexander, D.M., Cominsky, L.R., Hornschemeier, A.E., Hornstrup, A., Kaspi, V.M., Madejski, G.M., Matt, G., Molendi, S., Smith, D.M., Tomsick, J.A., Ajello, M., Ballantyne, D.R., Balokovic, M., Barret, D., Bauer, F.E., Blandford, R.D., Brandt, W.N., Brenneman, L.W., Chiang, J., Chakrabarty, D., Chenevez, J., Comastri, A., Elvis, M., Fabian, A.C., Farrah, D., Fryer, C.L., Gotthelf, E.V., Grindlay, J.E., Helfand, D.J., Krivonos, R., Meier, D.L., Miller, J.M., Natalucci, L., Ogle, P., Ofek, E.P., Ptak, A., Reynolds, S.P., Rigby, J.R., Tagliaferri, G., Thosett, S.E., Treister, E. & Urry, C.M., 2013, The Nuclear Spectroscopic Telescope Array (NuSTAR) Mission, The Astrophysical Journal, Vol. 770, p. 103.
  • Ballantyne, D.R., Armour, J.N. & Indergaard, J.. 2013, The Star Formation Laws of Eddington-Limited Star-Forming Disks, The Astrophysical Journal, Vol. 765, p. 138.
  • Ballantyne, D.R., Schumann, M. & Ford, B., 2011, Modelling the time dependence of the TeV gamma-ray source at the Galactic Centre, Monthly Notices of the Royal Astronomical Society, Vol. 410, p.1521.
  • Crocker, R.M., Jones, D., Ballantyne, D.R. & Melia, F., 2007, Radio Synchrotron Emission from Secondary Leptons in the Vicinity of Sgr A*, The Astrophysical Journal, Vol. 664, p. L95.
  • Erlund, M.C., Fabian, A.C., Blundell, K.M., Moss, C. & Ballantyne, D.R., 2007, The luminous X-ray hotspot in 4C 74.26: synchrotron or inverse-Compton emission?, Monthly Notices of the Royal Astronomical Society, Vol. 379, p. 498.
  • Ballantyne, D.R., Melia, F., Liu, S. & Crocker, R.M., 2007, A Possible Link Between the Galactic Center HESS Source and Sgr A*, The Astrophysical Journal, Vol. 657, p. L13.
  • Font, A.S., McCarthy, I.G., Johnstone, D. & Ballantyne, D.R., 2004, Photoevaporation of Circumstellar Disks around Young Stars, The Astrophysical Journal, Vol. 607, p. 890.
  • Ballantyne, D.R., Weingartner, J.C. & Murray, N., 2003, On the Location and Composition of the Dust in the MCG-6-30-15 Warm Absorber, Astronomy & Astrophysics, Vol. 409, p. 503.
  • Ballantyne, D.R., Ramirez-Ruiz, E., Lazzati, D. & Piro, L., 2002, X-ray spectral diagnostics of the immediate environment of GRB 991216, Astronomy & Astrophysics, Vol. 389, p. L74.
  • Hawarden, T.G., Leggett, S.K., Letawsky M.B., Ballantyne, D.R. & Casali, M.M., 2001, JHK Standard Stars for Large Telescopes: the UKIRT Fundamental and Extended Lists, Monthly Notices of the Royal Astronomical Society, Vol. 325, p. 563.
  • Kerton, C.R., Martin, P.G., Johnstone, D. & Ballantyne, D.R., 2001, A Submillimeter View of Star Formation Near the HII Region KR 140, The Astrophysical Journal, Vol. 552, p. 601.
  • Magorrian, S.J. & Ballantyne, D.R., 2001, Mass Profiles and Anisotropies of Early-Type Galaxies, Monthly Notices of the Royal Astronomical Society, Vol. 322, p. 702.
  • Ballantyne, D.R., Kerton, C.R. & Martin, P.G., 2000, The HII Region KR 140: Spontaneous Formation of a Massive Star, The Astrophysical Journal, Vol. 539, p.283.
  • Ballantyne, D.R., Ferland, G.J. & Martin, P.G., 2000, The Primordial Helium Abundance: Toward Understanding and Removing the Cosmic Scatter in the dY/dZ Relation, The Astrophysical Journal, Vol. 536, p. 773.
  • Armour, Mary-Helen, Ballantyne, D.R., Ferland, G.J., Karr, J. & Martin, P.G., 1999, Emission-Line Helium Abundances in Highly Obscured Nebulae, Publications of the Astronomical Society of the Pacific, Vol. 111, p. 1251.
  • Kerton, C.R., Ballantyne, D.R., & Martin, P.G., 1999, Classification of O Stars in the Yellow: The Exciting Star VES 735, The Astronomical Journal, Vol. 117, p. 2485.
  • Davies, J.K., McBride, N., Ellison, S.L., Green, S.F. & Ballantyne, D.R., 1998, Visible and Infrared Photometry of Six Centaurs, Icarus, Vol. 134, p. 213.
  • Leahy, D.A., Roger, R.S. & Ballantyne, D., 1997, 1420 MHz Continuum and Polarization Observations of the Cygnus Loop, The Astronomical Journal, Vol. 114, p. 2081.