Clustering Near the Epoch of Peak Quasar Activity with SDSS-III/BOSS

Details Clustering Near the Epoch of Peak Quasar Activity with SDSS-III/BOSS Clustering Near the Epoch of Peak Quasar Activity with SDSS-III/BOSS

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21932404m&link_type=abstract

American Astronomical Society, AAS Meeting #219, #324.04

Statistics

Scientific paper

The Sloan Digital Sky Survey has revolutionized our understanding of quasar clustering at high redshift. But, above redshift 2.5, SDSS-I and II mainly took spectra of quasars at the bright end of the luminosity function. The clustering of fainter quasars above redshift 2.5 can break degeneracies between quasar fueling and host galaxy mass, newly constraining the length of the quasar phase near the peak of quasar activity. The SDSS-III/BOSS survey is compiling a sample of around 150,000 quasars above redshift 2.2, around half of which are above redshift 2.5. By design, a core subsample of BOSS quasars have a well-controlled angular selection function that facilitates clustering measurements. I will present measurements of quasar clustering from the first 2 years of BOSS, focusing on redshifts around 2.2 < z < 2.7. As statistics develop over the full 5-year survey, BOSS will measure the clustering of low-luminosity quasars at 2.5 < z < 3.5 with unprecedented precision.

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