Counts of serendipitous 6 centimeter sources in E/S0 galaxy fields

Details Counts of serendipitous 6 centimeter sources in E/S0 galaxy fields Counts of serendipitous 6 centimeter sources in E/S0 galaxy fields

Nov 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...363...11w&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 363, Nov. 1, 1990, p. 11-20.

Astronomy and Astrophysics

Astronomy

11

Elliptical Galaxies, Radio Sources (Astronomy), Spiral Galaxies, Galactic Evolution, Galactic Structure, Very Large Array (Vla)

Scientific paper

One hundred and sixty-eight VLA images from a 6 cm survey of E/S0 galaxies were searched for serendipitous sources at millijansky (mJy) levels. Fifty-eight sources with integrated flux densities between 1.5 and 15 mJy were found within a total solid angle of 2.27 sq deg. The sources show no radial clustering relative to the galaxy centers and so are not, statistically, associated with the galaxies. The 58 sources are assumed to be background sources suitable for cosmological studies to determine new differential source counts. These new counts are consistent with previous, but much less accurate, counts at mJy levels, meaning that the background source population is not measurably altered by the presence of the foreground E/S0 galaxies.

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