CGRaBS:对Gamma-Ray Blazar候选者的全天巡天
CGRaBS: An All-Sky Survey of Gamma-Ray Blazar Candidates
摘要:
我们描述了一个统一的全天空调查明亮的耀变体,主要是由他们的平坦的无线电频谱,旨在提供一个大的目录可能的伽马射线活动星系核。定义的样本有1625个目标,其无线电和X射线特性类似于EGRET耀变体,均匀分布在|b| > 10度的天空中。我们还报告了样品的光学表征进展;已知R < 23的物体中,85%已被分类,81%已测量红移。该计划的一个目标是将注意力集中在最有趣的(例如,高红移,高亮度,.)在GLAST上的大面积望远镜(LAT)进行观测期间,这些源用于密集的多波长研究。
英文摘要:
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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