The 2dF-SDSS LRG and QSO Survey: The z<2.1 Quasar Luminosity Function from 5645 Quasars to g=21.85

We have used the 2dF instrument on the AAT to obtain redshifts of a sample of z&lt;3, 18.0<g<21.85 (2000).="" (2004),="" (2qz)="" (2slaq).="" 105.7="" 2df="" 2df-sdss="" 2qz="" 2slaq="" 32%="&quo...

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Detalles Bibliográficos
Autores principales: Richards, G, Croom, S, Anderson, S, Bland-Hawthorn, J, Boyle, B, Propris, R, Drinkwater, M, Fan, X, Gunn, J, Ivezic, Z, Jester, S, Loveday, J, Meiksin, A, Miller, L, Myers, A, Nichol, R, Outram, P, Pimbblet, K, Roseboom, I, Ross, N, Schneider, D, Shanks, T, Sharp, R, Stoughton, C, Strauss, M
Formato: Journal article
Lenguaje:English
Publicado: 2005
Descripción
Sumario:We have used the 2dF instrument on the AAT to obtain redshifts of a sample of z&lt;3, 18.0<g<21.85 (2000).="" (2004),="" (2qz)="" (2slaq).="" 105.7="" 2df="" 2df-sdss="" 2qz="" 2slaq="" 32%="" 5645="" a="" adopted="" agree="" al.="" algorithm="" all="" allow="" analysis,="" and="" are="" at="" beta="-1.45+/-0.03" boyle="" bright="" but="" consistent="" counts="" croom="" data="" deg^2.="" describe="" determinations="" end="" et="" faint="" final="" find="" fit="" for="" form="" from="" function="" functional="" g="" g\sim20.2.="" however,="" if="" imaging.="" in="" inconsistent="" is="" joint="" larger="" likelihood="" lrg="" luminosity="" maximum="" more="" normalization="" not="" number="" of="" only="" other="" our="" parameterization,="" parameters="" part="" preliminary="" present="" programme:="" qso="" quasar="" quasars="" redshift="" resulting="" results="" sdss="" selected="" selection="" slope="" steeper="" survey="" than="" the="" these="" to="" using="" vary="" vary.="" we="" well="" with="" yields="">21 deep surveys. The 2SLAQ data exhibit no well defined ``break'' but do clearly flatten with increasing magnitude. The shape of the quasar luminosity function derived from 2SLAQ is in good agreement with that derived from type I quasars found in hard X-ray surveys. [Abridged]</g<21.85>