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Title:
A 1.49 GHz atlas of spiral galaxies with B(T) = +12 or less and delta = -45 deg or greater
Authors:
Condon, J. J.
Affiliation:
AA(National Radio Astronomy Observatory, Charlottesville, VA)
Publication:
Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 65, Dec. 1987, p. 485-541. (ApJS Homepage)
Publication Date:
12/1987
Category:
Astronomy
Origin:
STI
NASA/STI Keywords:
Astronomical Maps, Astronomical Photometry, Galactic Structure, Spiral Galaxies, Astronomical Catalogs, Radio Sources (Astronomy), Tables (Data)
DOI:
10.1086/191234
Bibliographic Code:
1987ApJS...65..485C

Abstract

The VLA has been used in its most compact D- and C/D-configurations to make low-resolution 1.49 GHz maps of the spiral galaxies north of delta = -45 deg and brighter than B(T) = +12, the completeness limit of the Revised Shapley-Ames Catalog. Most of these maps are confusion-limited at sigma = 0.1 mJy or greater per beam, and at least 94 percent of the galaxies were detected with S = 1 mJy or greater. The maps have sufficient sensitivity to low-brightness emission that accurate radio 'photometry' is possible. An atlas of contour maps, a table of total flux densities plus other radio source parameters, and references to published radio maps are given.

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