Stephen E. Healey et al. 2007 ApJS 171 61 doi:10.1086/513742
Stephen E. Healey1, Roger W. Romani1, Gregory B. Taylor2, Elaine M. Sadler3, Roberto Ricci4, Tara Murphy3,5, James S. Ulvestad6 and Joshua N. Winn7
Show affiliationsWe have assembled an 8.4 GHz survey of bright, flat-spectrum (α > -0.5) radio sources with nearly uniform extragalactic (|b| > 10°) coverage for sources brighter than S4.8 GHz = 65 mJy. The catalog is assembled from existing observations (especially CLASS and the Wright et al. PMN-CA survey), augmented by reprocessing of archival VLA and ATCA data and by new observations to fill in coverage gaps. We refer to this program as CRATES, the Combined Radio All-Sky Targeted Eight GHz Survey. The resulting catalog provides precise positions, subarcsecond structures, and spectral indices for some 11,000 sources. We describe the morphology and spectral index distribution of the sample and comment on the survey's power to select several classes of interesting sources, especially high-energy blazars. Comparison of CRATES with other high-frequency surveys also provides unique opportunities for identification of high-power radio sources.
Issue 1 (2007 July)
Received 2006 December 19, accepted for publication 2007 February 5
Stephen E. Healey et al. 2007 ApJS 171 61
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