DISCOVERY OF EIGHT z ~ 6 QUASARS IN THE SLOAN DIGITAL SKY SURVEY OVERLAP REGIONS
We present the discovery of eight quasars at z ∼ 6 identified in the Sloan Digital Sky Survey (SDSS) overlap regions. Individual SDSS imaging runs have some overlap with each other, leading to repeat observations over an area spanning >4000 deg2 (more than one-fourth of the total footprint). These overlap regions provide a unique data set that allows us to select high-redshift quasars more than 0.5 mag fainter in the z band than those found with the SDSS single-epoch data. Our quasar candidates...[Show more]
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