A new catalog of 30,239 1.4 GHz sources

Details A new catalog of 30,239 1.4 GHz sources A new catalog of 30,239 1.4 GHz sources

Apr 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apjs...79..331w&link_type=abstract

Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 79, no. 2, April 1992, p. 331-467.

Astronomy and Astrophysics

Astronomy

241

Astronomical Catalogs, Radio Sources (Astronomy), Sky Surveys (Astronomy), Astronomical Spectroscopy, Northern Sky

Scientific paper

Using the Green Bank 1.4 GHz Northern Sky Survey, a catalog of 30,239 sources over the declination range of -5 to 82 deg to a flux density limit of 100 mJy were generated. Spectral indices were found for over 90 percent of these sources based on flux densities at 0.365 or 4.85 GHz taken from other catalogs. Flux densities at all three frequencies are available for 20,000 sources. The spectral properties of 1.4 GHz sources are discussed along with the selection effects induced by the idiosyncracies of the various catalogs.

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