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Observational Constraints on the Dependence of Radio‐Quiet Quasar X‐Ray Emission on Black Hole Mass and Accretion Rate
Brandon C. Kelly, Jill Bechtold, Jonathan R. Trump, Marianne Vestergaard and Aneta Siemiginowska The Astrophysical Journal Supplement Series 176(2) 355 (2008) https://doi.org/10.1086/533440
The Cosmic MeV Gamma-Ray Background and Hard X-Ray Spectra of Active Galactic Nuclei: Implications for the Origin of Hot AGN Coronae
Yoshiyuki Inoue, Tomonori Totani and Yoshihiro Ueda The Astrophysical Journal 672(1) L5 (2008) https://doi.org/10.1086/525848
A Cosmological Framework for the Co‐evolution of Quasars, Supermassive Black Holes, and Elliptical Galaxies. I. Galaxy Mergers and Quasar Activity
Philip F. Hopkins, Lars Hernquist, Thomas J. Cox and Dušan Kereš The Astrophysical Journal Supplement Series 175(2) 356 (2008) https://doi.org/10.1086/524362
Measuring the Fraction of Obscured Quasars by the Infrared Luminosity of Unobscured Quasars
Ezequiel Treister, Julian H. Krolik and Cornelis Dullemond The Astrophysical Journal 679(1) 140 (2008) https://doi.org/10.1086/586698
TheSwiftBAT X‐Ray Survey. III. X‐Ray Spectra and Statistical Properties
Suzaku Wide-Band X-Ray Spectroscopy of the Seyfert2 AGN in NGC 4945
Takeshi Itoh, Chris Done, Kazuo Makishima, Grzegorz Madejski, Hisamitsu Awaki, Poshak Gandhi, Naoki Isobe, Gulab C. Dewangan, Richard E. Griffthis, Naohisa Anabuki, Takashi Okajima, James N. Reeves, Tadayuki Takahashi, Yoshihiro Ueda, Satohi Eguchi and Tahir Yaqoob Publications of the Astronomical Society of Japan 60(sp1) S251 (2008) https://doi.org/10.1093/pasj/60.sp1.S251
Extragalactic X‐ray surveys: AGN physics and evolution
The OPTX Project. I. The Flux and Redshift Catalogs for the CLANS, CLASXS, and CDF‐N Fields
L. Trouille, A. J. Barger, L. L. Cowie, Y. Yang and R. F. Mushotzky The Astrophysical Journal Supplement Series 179(1) 1 (2008) https://doi.org/10.1086/591648
SPACE DENSITY OF OPTICALLY SELECTED TYPE 2 QUASARS
Multiwavelength Study of Massive Galaxies atz ∼ 2. II. Widespread Compton‐thick Active Galactic Nuclei and the Concurrent Growth of Black Holes and Bulges
E. Daddi, D. M. Alexander, M. Dickinson, et al. The Astrophysical Journal 670(1) 173 (2007) https://doi.org/10.1086/521820
A Large Population of Mid‐Infrared–selected, Obscured Active Galaxies in the Bootes Field
R. C. Hickox, C. Jones, W. R. Forman, et al. The Astrophysical Journal 671(2) 1365 (2007) https://doi.org/10.1086/523082
The Cosmic X‐Ray Background and the Population of the Most Heavily Obscured AGNs
Filippo Frontera, Mauro Orlandini, Raffaella Landi, et al. The Astrophysical Journal 666(1) 86 (2007) https://doi.org/10.1086/519985
The
XMM‐Newton
Wide‐Field Survey in the COSMOS Field. I. Survey Description
G. Hasinger, N. Cappelluti, H. Brunner, et al. The Astrophysical Journal Supplement Series 172(1) 29 (2007) https://doi.org/10.1086/516576
The
XMM
‐
Newton
Wide‐Field Survey in the COSMOS Field. III. Optical Identification and Multiwavelength Properties of a Large Sample of X‐Ray–Selected Sources
M. Brusa, G. Zamorani, A. Comastri, et al. The Astrophysical Journal Supplement Series 172(1) 353 (2007) https://doi.org/10.1086/516575
Constraints on light bending and reflection from the hard X-ray background
The
XMM‐Newton
Wide‐Field Survey in the COSMOS Field. II. X‐Ray Data and the log
N
‐log
S
Relations
N. Cappelluti, G. Hasinger, M. Brusa, et al. The Astrophysical Journal Supplement Series 172(1) 341 (2007) https://doi.org/10.1086/516586
Evidence for a large fraction of Compton-thick quasars at high redshift
Alejo Martínez-Sansigre, Steve Rawlings, David G. Bonfield, Silvia Mateos, Chris Simpson, Mike Watson, Omar Almaini, Sébastien Foucaud, Kazuhiro Sekiguchi and Yoshihiro Ueda Monthly Notices of the Royal Astronomical Society: Letters 379(1) L6 (2007) https://doi.org/10.1111/j.1745-3933.2007.00323.x
Chandra
Stacking Constraints on the Contribution of 24 μm
Spitzer
Sources to the Unresolved Cosmic X-Ray Background
A. T. Steffen, W. N. Brandt, D. M. Alexander, S. C. Gallagher and B. D. Lehmer The Astrophysical Journal 667(1) L25 (2007) https://doi.org/10.1086/522046