The VLA-COSMOS Survey: II. Source Catalog of the Large Project

Abstract

The VLA-COSMOS large project is described and its scientific objective is discussed. We present a catalog of ~ 3,600 radio sources found in the 2deg^2 COSMOS field at 1.4 GHz. The observations in the VLA A and C configuration resulted in a resolution of 1.5''x1.4'' and a mean rms noise of ~ 10.5(15) uJy/beam in the central 1(2)deg^2. 80 radio sources are clearly extended consisting of multiple components, and most of them appear to be double-lobed radio galaxies. The astrometry of the catalog has been thoroughly tested and the uncertainty in the relative and absolute astrometry are 130mas and <55mas, respectively.

49 pages, 18 figures; accepted for publication in the ApJS, COSMOS special issue. The data will be available from the COSMOS archive at IPAC/IRSA http://irsa.ipac.caltech.edu/Missions/cosmos.html, more information on the VLA-COSMOS survey can be found at http://www.mpia-hd.mpg.de/COSMOS/, full version available at http://www.mpia-hd.mpg.de/COSMOS/#paper

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