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Journal articles
Luminosity function from dedicated SDSS-III and MMT data of quasars in 0.7 < z < 4.0 selected with a new approach
N. Palanque-Delabrouille
1
Ch. Magneville
1
Ch. Yèche
1
S. Eftekharzadeh
A. D. Myers
P. Petitjean
2
I. Pâris
2
E. Aubourg
3
I. Mcgreer
X. Fan
A. Dey
D. Schlegel
S. Bailey
D. Bizayev
A. Bolton
K. Dawson
G. Ebelke
J. Ge
E. Malanushenko
V. Malanushenko
D. Oravetz
K. Pan
N. P. Ross
D. P. Schneider
E. Sheldon
A. Simmons
J. Tinker
M. White
Ch. Willmer
N. Palanque-Delabrouille 1
Author
Ch. Magneville 1
Author
Ch. Yèche 1
Author
S. Eftekharzadeh
Author
Ch. Willmer
Author
1
IRFU - Institut de Recherches sur les lois Fondamentales de l'Univers (CEA Saclay
F-91191 Gif sur Yvette cedex - France)
- CEA - Commissariat à l'énergie atomique et aux énergies alternatives : DRF/IRFU (Centre de Saclay Centre de Grenoble Centre de Cadarache etc - France)
- Université Paris-Saclay (Bâtiment Bréguet, 3 Rue Joliot Curie 2e ét, 91190 Gif-sur-Yvette - France)
2
IAP - Institut d'Astrophysique de Paris (98bis, bd Arago - 75014 Paris France - France)
- CNRS - Centre National de la Recherche Scientifique : UMR7095 (France)
- INSU - CNRS - Institut national des sciences de l'Univers (INSU-CNRS 3 rue Michel-Ange, 75794 Paris Cedex 16 - France)
- UPMC - Université Pierre et Marie Curie - Paris 6 (4 place Jussieu - 75005 Paris - France)
3
APC - Cosmologie (France)
- APC (UMR_7164) - AstroParticule et Cosmologie (APC - UMR 7164, Université Paris Diderot, 10 rue Alice Domon et Léonie Duquet, case postale 7020, F-75205 Paris Cedex 13 - France)
- Observatoire de Paris (61 Av de l'Observatoire 75014 PARIS - France)
- PSL - Université Paris sciences et lettres (60 rue Mazarine 75006 Paris - France)
- CEA - Commissariat à l'énergie atomique et aux énergies alternatives : DRF/IRFU (Centre de Saclay Centre de Grenoble Centre de Cadarache etc - France)
- UPD7 - Université Paris Diderot - Paris 7 : UMR_7164 (5 rue Thomas-Mann - 75205 Paris cedex 13 - France)
- CNRS - Centre National de la Recherche Scientifique : UMR_7164 (France)
- IN2P3 - Institut National de Physique Nucléaire et de Physique des Particules du CNRS (France)
- Observatoire de Paris (61 Av de l'Observatoire 75014 PARIS - France)
Abstract : We present a measurement of the quasar luminosity function in the range 0.68 < z < 4 down to extinction corrected magnitude gdered = 22.5, using a simple and well understood target selection technique based on the time-variability of quasars. The completeness of our sample was derived directly from a control sample of quasars, without requiring complex simulations of quasar light-curves or colors. A total of 1877 quasar spectra were obtained from dedicated programs on the Sloan telescope (as part of the SDSS-III/BOSS survey) and on the Multiple Mirror Telescope. They allowed us to derive the quasar luminosity function. It agrees well with results previously published in the redshift range 0.68 < z < 2.6. Our deeper data allow us to extend the measurement to z = 4. We measured quasar densities to gdered < 22.5, obtaining 30 QSO per deg2 at z < 1, 99 QSO per deg2 for 1 < z < 2.15, and 47 QSO per deg2 at z > 2.15. Using pure luminosity evolution models, we fitted our LF measurements and predicted quasar number counts as a function of redshift and observed magnitude. These predictions are useful inputs for future cosmology surveys such as those relying on the observation of quasars to measure baryon acoustic oscillations.
Document type :
Journal articles
Complete list of metadata
http://hal.in2p3.fr/in2p3-00742974
Contributor : Eric Aubourg Connect in order to contact the contributor
Submitted on : Wednesday, October 17, 2012 - 5:30:26 PM
Last modification on : Monday, December 13, 2021 - 9:15:23 AM
Contributor : Eric Aubourg Connect in order to contact the contributor
Submitted on : Wednesday, October 17, 2012 - 5:30:26 PM
Last modification on : Monday, December 13, 2021 - 9:15:23 AM
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Identifiers
- HAL Id : in2p3-00742974, version 1
- ARXIV : 1209.3968
- BIBCODE : 2013A&A...551A..29P
- DOI : 10.1051/0004-6361/201220379
Collections
UNIV-PARIS7 | OBSPM | INSU | IN2P3 | APC | CNRS | UPMC | IAP | DSM-IRFU | CEA | IRFU-APC | CEA-DRF | SORBONNE-UNIVERSITE | SU-SCIENCES | UNIV-PARIS | UP-SCIENCES | PSL | SU-TI
Citation
N. Palanque-Delabrouille, Ch. Magneville, Ch. Yèche, S. Eftekharzadeh, A. D. Myers, et al.. Luminosity function from dedicated SDSS-III and MMT data of quasars in 0.7 < z < 4.0 selected with a new approach. Astronomy and Astrophysics - A&A, EDP Sciences, 2013, 551, pp.A29. ⟨10.1051/0004-6361/201220379⟩. ⟨in2p3-00742974⟩
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