1.4 GHz continuum sources in the Cancer cluster

Details 1.4 GHz continuum sources in the Cancer cluster 1.4 GHz continuum sources in the Cancer cluster

Jun 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...317..102s&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 317, June 1, 1987, p. 102-111.

Astronomy and Astrophysics

Astronomy

4

Galactic Clusters, Galactic Radio Waves, Radio Astronomy, Spiral Galaxies, Astronomical Catalogs, Frequency Distribution, Optical Properties

Scientific paper

Results of 1.4-GHz continuum observations are presented for 11 VLA fields, using the D-configuration, which contain the A group of the Cnc cluster (CC). Sixteen Zwicky spiral galaxies in the CC were detected, but no ellipticals, confirming the finding that spiral galaxies with close companions tend to have enhanced radio emission. Over 200 continuum sources beyond the CC are tabulated. The spectral index (relative to 610 MHz) is given for many of the sources, including some of the Zwicky galaxies. There is a suggestion for a nonuniform number surface-density distribution of the sources, not correlated with the CC. Possible predictions of such nonuniformities, from assumptions on 'super-superclusters', are discussed.

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