THE SDSS-III BARYON OSCILLATION SPECTROSCOPIC SURVEY: THE QUASAR LUMINOSITY FUNCTION FROM DATA RELEASE NINE

被引：180

作者：

Ross, Nicholas P. ^{[1
]}

McGreer, Ian D. ^{[2
]}

White, Martin ^{[1
,3
]}

Richards, Gordon T. ^{[4
,5
]}

Myers, Adam D. ^{[6
]}

Palanque-Delabrouille, Nathalie ^{[7
]}

Strauss, Michael A. ^{[8
]}

Anderson, Scott F. ^{[9
]}

Shen, Yue ^{[10
]}

Brandt, W. N. ^{[11
,12
]}

Yeche, Christophe ^{[7
]}

Swanson, Molly E. C. ^{[10
]}

Aubourg, Eric ^{[13
]}

Bailey, Stephen ^{[1
]}

Bizyaev, Dmitry ^{[14
]}

Bovy, Jo ^{[15
]}

Brewington, Howard ^{[14
]}

Brinkmann, J. ^{[14
]}

DeGraf, Colin ^{[16
]}

Di Matteo, Tiziana ^{[16
]}

Ebelke, Garrett ^{[14
]}

Fan, Xiaohui ^{[2
]}

Ge, Jian ^{[17
]}

Malanushenko, Elena ^{[14
]}

Malanushenko, Viktor ^{[14
]}

Mandelbaum, Rachel ^{[16
]}

Maraston, Claudia ^{[18
]}

Muna, Demitri ^{[19
]}

Oravetz, Daniel ^{[14
]}

Pan, Kaike ^{[14
]}

Paris, Isabelle ^{[20
,21
]}

Petitjean, Patrick ^{[20
]}

Schawinski, Kevin ^{[22
]}

Schlegel, David J. ^{[1
]}

Schneider, Donald P. ^{[11
,12
]}

Silverman, John D. ^{[23
]}

Simmons, Audrey ^{[14
]}

Snedden, Stephanie ^{[14
]}

Streblyanska, Alina ^{[24
]}

Suzuki, Nao ^{[1
]}

Weinberg, David H. ^{[25
,26
]}

York, Donald ^{[27
,28
]}

机构：

[1] Lawrence Berkeley Natl Lab, Berkeley, CA 92420 USA

[2] Steward Observ, Tucson, AZ 85721 USA

[3] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[4] Drexel Univ, Dept Phys, Philadelphia, PA 19104 USA

[5] Max Planck Inst Astron, D-69117 Heidelberg, Germany

[6] Univ Wyoming, Dept Phys & Astron, Laramie, WY 82071 USA

[7] CEA, Ctr Saclay, IRFU, F-91191 Gif Sur Yvette, France

[8] Princeton Univ, Dept Astrophys Sci, Princeton, NJ 08544 USA

[9] Univ Washington, Dept Astron, Seattle, WA 98195 USA

[10] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA

[11] Penn State Univ, Dept Astron & Astrophys, University Pk, PA 16802 USA

[12] Penn State Univ, Inst Gravitat & Cosmos, University Pk, PA 16802 USA

[13] Univ Paris Diderot, APC, CNRS IN2P3, CEA IRFU,Observ Paris,Sorbonne Paris Cite, Paris, France

[14] Apache Point Observ, Sunspot, NM 88349 USA

[15] Inst Adv Study, Princeton, NJ 08540 USA

[16] Carnegie Mellon Univ, McWilliams Ctr Cosmol, Pittsburgh, PA 15213 USA

[17] Univ Florida, Dept Astron, Gainesville, FL 32611 USA

[18] Univ Portsmouth, Inst Cosmol & Gravitat, Portsmouth PO1 3FX, Hants, England

[19] NYU, Ctr Cosmol & Particle Phys, Dept Phys, New York, NY 10003 USA

[20] UPMC, CNRS, Inst Astrophys Paris, UMR7095, F-75014 Paris, France

[21] Univ Chile, Dept Astron, Santiago, Chile

[22] Yale Univ, Dept Phys, New Haven, CT 06511 USA

[23] Univ Tokyo, IPMU, Kashiwa, Chiba 2778568, Japan

[24] Inst Astrofis Canarias, E-38200 San Cristobal la Laguna, Tenerife, Spain

[25] Ohio State Univ, Dept Astron, Columbus, OH 43210 USA

[26] Ohio State Univ, Ctr Cosmol & AstroParticle Phys, Columbus, OH 43210 USA

[27] Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA

[28] Univ Chicago, Fermi Inst, Chicago, IL 60637 USA

来源：

ASTROPHYSICAL JOURNAL | 2013年 / 773卷 / 01期

基金：

美国安德鲁·梅隆基金会; 美国国家科学基金会;

关键词：

cosmology: observations; galaxies: active; galaxies: luminosity function; mass function; quasars: general; surveys; DIGITAL-SKY-SURVEY; ACTIVE GALACTIC NUCLEI; SUPERMASSIVE BLACK-HOLES; HIGH-REDSHIFT QUASARS; SPECTRAL ENERGY-DISTRIBUTIONS; BROAD-LINE QUASARS; DARK-MATTER HALOES; DEEP FIELD-SOUTH; SIMILAR-TO; X-RAY;

D O I：

10.1088/0004-637X/773/1/14

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a new measurement of the optical quasar luminosity function (QLF), using data from the Sloan Digital Sky Survey-III: Baryon Oscillation Spectroscopic Survey (SDSS-III: BOSS). From the SDSS-III Data Release Nine, a uniform sample of 22,301 i less than or similar to 21.8 quasars are selected over an area of 2236 deg(2), with confirmed spectroscopic redshifts between 2.2 < z < 3.5, filling in a key part of the luminosity-redshift plane for optical quasar studies. The completeness of the survey is derived through simulated quasar photometry, and this completeness estimate is checked using a sample of quasars selected by their photometric variability within the BOSS footprint. We investigate the level of systematics associated with our quasar sample using the simulations, in the process generating color-redshift relations and a new quasar K-correction. We probe the faint end of the QLF to M-i (z = 2.2) approximate to -24.5 and see a clear break in the QLF at all redshifts up to z = 3.5. A log-linear relation (in log Phi* - M*) for a luminosity evolution and density evolution model is found to adequately describe our data within the range 2.2 < z < 3.5; across this interval the break luminosity increases by a factor of similar to 2.6 while Phi* declines by a factor of similar to 8. At z less than or similar to 2.2 our data are reasonably well fit by a pure luminosity evolution model, and only a weak signature of "AGN downsizing" is seen, in line with recent studies of the hard X-ray luminosity function. We compare our measured QLF to a number of theoretical models and find that models making a variety of assumptions about quasar triggering and halo occupation can fit our data over a wide range of redshifts and luminosities.

引用

页数：27

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