New Catalogs of Compact Radio Sources in the Galactic Plane

Details New Catalogs of Compact Radio Sources in the Galactic Plane New Catalogs of Compact Radio Sources in the Galactic Plane

2005-01-27

arxiv.org/abs/astro-ph/0501607v2

Astron.J.130:586-596,2005

Astronomy and Astrophysics

Astrophysics

14 pages, 7 figures, 6 tables; accepted for August 2005 Astronomical Journal; numerous minor revisions in paper and catalogs f

Scientific paper

10.1086/431249

Archival data have been combined with recent observations of the Galactic plane using the Very Large Array to create new catalogs of compact centimetric radio sources. The 20 cm source catalog covers a longitude range of -20 deg < l < 120 deg; the latitude coverage varies from +- 0.8 deg to +- 2.7 deg. The total survey area is ~331 sq deg; coverage is 90% complete at a flux density threshold of ~14 mJy, and over 5000 sources are recorded. The 6 cm catalog covers 43 sq deg in the region -10 deg < l < 42 deg, |b| < 0.4 deg to a 90% completeness threshold of 2.9 mJy; over 2700 sources are found. Both surveys have an angular resolution of ~6 arcsec. These catalogs provide a 30% (at 20 cm) to 50% (at 6 cm) increase in the number of high-reliability compact sources in the Galactic plane, as well as providing greatly improved astrometry, uniformity, and reliability; they should prove useful for comparison with new mid- and far-infrared surveys of the Milky Way.

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