CGRaBS: An All-Sky Survey of Gamma-Ray Blazar Candidates

Details CGRaBS: An All-Sky Survey of Gamma-Ray Blazar Candidates CGRaBS: An All-Sky Survey of Gamma-Ray Blazar Candidates

2007-09-11

arxiv.org/abs/0709.1735v1

Astronomy and Astrophysics

Astrophysics

18 pages, 6 figures, 1 machine-readable table available at http://astro.stanford.edu/CGRaBS/ ; accepted for publication in ApJ

Scientific paper

10.1086/523302

We describe a uniform all-sky survey of bright blazars, selected primarily by their flat radio spectra, that is designed to provide a large catalog of likely gamma-ray AGN. The defined sample has 1625 targets with radio and X-ray properties similar to those of the EGRET blazars, spread uniformly across the |b| > 10 deg sky. We also report progress toward optical characterization of the sample; of objects with known R < 23, 85% have been classified and 81% have measured redshifts. One goal of this program is to focus attention on the most interesting (e.g., high redshift, high luminosity, ...) sources for intensive multiwavelength study during the observations by the Large Area Telescope (LAT) on GLAST.

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