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Title:
A catalog of small-diameter radio sources in the Galactic plane
Authors:
Zoonematkermani, S.; Helfand, D. J.; Becker, R. H.; White, R. L.; Perley, R. A.
Affiliation:
AA(Columbia University, New York), AB(Columbia University, New York), AC(California, University, Davis; Lawrence Livermore National Laboratory, Livermore), AD(Space Telescope Science Institute, Baltimore, MD), AE(National Radio Astronomy Observatory, Socorro, NM)
Publication:
Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 74, Sept. 1990, p. 181-224. (ApJS Homepage)
Publication Date:
09/1990
Category:
Astronomy
Origin:
STI
NASA/STI Keywords:
Astronomical Catalogs, Radio Sources (Astronomy), Milky Way Galaxy, Spatial Distribution, Supernova Remnants, Very Large Array (Vla)
DOI:
10.1086/191496
Bibliographic Code:
1990ApJS...74..181Z

Abstract

A survey of the Galactic plane in the longitude range l = -20 - 120 deg for Galactic latitudes 0.8 deg or less has been carried out at 1400 MHz using the VLA in the B configuration. A catalog of the 1992 discrete sources detected in this survey is presented here which is about 75 percent complete to a limiting peak flux density of 25 mJy for sources smaller than about 20 arcsec in diameter, although sources as faint as 8 mJy and as large as 90 arcsec are also included. The catalog includes for each entry a position accurate to less than about 3 arcsec, peak and integrated flux densities, source extent, and information on counterparts both from earlier radio surveys of the plane and from the IRAS point source caalog. An extensive analysis of the integrity and completeness of the survey is presented here; in separate publications, the source content of the survey as derived from statistical analyses of the spatial distribution of the sources and from radio, optical, and infrared followup observations, is discussed.

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