A 20 centimeter survey of compact sources in the northern Galactic plane

Details A 20 centimeter survey of compact sources in the northern Galactic plane A 20 centimeter survey of compact sources in the northern Galactic plane

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...358..485b&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 358, Aug. 1, 1990, p. 485-494.

Astronomy and Astrophysics

Astronomy

25

H Ii Regions, Milky Way Galaxy, Quasars, Sky Surveys (Astronomy), Very Large Array (Vla), Astronomical Catalogs, Data Reduction, Interferometry, Supernova Remnants

Scientific paper

A VLA survey of the Galactic plane at 20 cm in the longitude range 20 - 120 deg for Galactic latitudes absolute value of b less than or equal to 0.8 deg has resulted in a catalog of 1992 discrete radio sources. The survey has revealed a strong concentration of low-latitude objects within 50 deg of the Galactic center with a scale height of about 25 pc. This extreme Population I subset of the catalog is dominated by sources with diameters between 3 and 20 arcsec; most are associated with strong far-infrared sources and are likely to be compact and ultracompact H II regions. Other sources of particular interest and the properties of the various radio source populations represented in the survey are discussed.

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