Likelihood Estimator for Quasar Target Selection in the Baryon Oscillation Spectroscopic Survey

Details Likelihood Estimator for Quasar Target Selection in the Baryon Oscillation Spectroscopic Survey Likelihood Estimator for Quasar Target Selection in the Baryon Oscillation Spectroscopic Survey

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21547103k&link_type=abstract

American Astronomical Society, AAS Meeting #215, #471.03; Bulletin of the American Astronomical Society, Vol. 42, p.517

Astronomy and Astrophysics

Astronomy

Scientific paper

The Baryon Oscillation Spectroscopic Survey (BOSS) on the Sloan Telescope will make a 3-D map of hydrogen gas using the Ly-alpha forest along the line of sight to 160,000 QSOs at 2.2 < z < 3.5. The power spectrum of this map will make the first measure of dark energy at z > 2.
We present a likelihood estimator for selecting QSOs from SDSS photometry to a magnitude limit of g=22. The efficiency and completeness of this technique is measured from the BOSS commissioning data in Fall 2009.

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