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Paper detail

A Simple Likelihood Method for Quasar Target Selection

We present a new method for quasar target selection using photometric fluxes and a Bayesian probabilistic approach. For our purposes we target quasars using Sloan Digital Sky Survey (SDSS) photometry to a magnitude limit of g=22. The efficiency and completeness of this technique is measured using the Baryon Oscillation Spectroscopic Survey (BOSS) data, taken in 2010. This technique was used for the uniformly selected (CORE) sample of targets in BOSS year one spectroscopy to be realized in the 9th SDSS data release. When targeting at a density of 40 objects per sq-deg (the BOSS quasar targeting density) the efficiency of this technique in recovering z>2.2 quasars is 40%. The completeness compared to all quasars identified in BOSS data is 65%. This paper also describes possible extensions and improvements for this technique

preprint2011arXivOpen access
Jessica A. KirkpatrickDavid J. SchlegelNicholas P. RossAdam D. MyersJoseph F. HennawiErin S. SheldonDonald P. SchneiderBenjamin A. Weaver
astro-ph.COastro-ph.IMphysics.data-an
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Jessica A. KirkpatrickDavid J. SchlegelNicholas P. RossAdam D. MyersJoseph F. HennawiErin S. SheldonDonald P. SchneiderBenjamin A. Weaver

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