Catalog and atlas from a sensitive 1.5 GHz radio survey around the North Ecliptic Pole

Astronomy and Astrophysics – Astronomy

Scientific paper

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Astronomical Catalogs, Deep Space, Radio Astronomy, Radio Sources (Astronomy), Sky Surveys (Astronomy), Astronomical Interferometry, Brightness, Flux Density, Tables (Data), Very Large Array (Vla), X Ray Sources

Scientific paper

A 29.3 square degree region surrounding the north ecliptic pole (NEP) is mapped with the very large array (VLA) at 1.5 GHz to support the deepest portion of the ROSAT all-sky soft x ray survey. A total of 114 fields were mapped, and radio sources with peak brightnesses exceeding approximately six times the field's root-mean-square noise were identified. The resulting VLA-NEP survey catalog contains 2435 radio sources with flux densities in the range of 0.3 - 1000 mJy, including over 200 fainter than 1 mJy. We present here the VLA-NEP survey catalog, suggested counterparts for approximately 18% of the VLA-NEP objects, and an atlas of an 114 survey fields with catalogued sources indicated. In an appendix we present initial scientific analysis of the VLA-NEP survey. The catalog and related tables are available electronically.

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