The z 5 Quasar Luminosity Function From SDSS Stripe 82

Details The z 5 Quasar Luminosity Function From SDSS Stripe 82 The z 5 Quasar Luminosity Function From SDSS Stripe 82

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21920907m&link_type=abstract

American Astronomical Society, AAS Meeting #219, #209.07

Astronomy and Astrophysics

Astronomy

Scientific paper

High redshift quasars mark the growth of supermassive black holes in the early universe, and determining the evolution of the quasar population at high redshift provides strong constraints on early structure formation and the buildup of massive galaxies. The SDSS-III BOSS is now providing the best measurements of the quasar luminosity function (QLF) at 2.2 < z < 3.5, but is not designed to probe higher redshifts. Using the many epochs of SDSS imaging available in the Stripe 82 region we have identified a large number of z∼5 quasar candidates to a depth of i(AB)=22, and are confirming these objects with BOSS spectra obtained through ancillary science programs, as well as observations at the MMT and Magellan telescopes. These observations probe much deeper into the QLF than previous surveys at these redshifts and provide a key connection between lower redshift results and the highest redshift quasars at z=6-7.

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