Other
Scientific paper
Nov 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984aj.....89.1695a&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 89, Nov. 1984, p. 1695-1701.
Other
9
Astronomical Catalogs, Emission Spectra, Galactic Radio Waves, Spiral Galaxies, Continuous Spectra, Data Sampling, Galactic Clusters, Position Errors, Radio Emission
Scientific paper
In the 2380-MHz continuum radio observations presented for two samples of spiral galaxies observed with the NAIC Arecibo 305-m telescope, the samples have been chosen in such a way that they differ markedly in the density of surrounding galaxies. One sample includes exclusively galaxies from the Karachentseva (1973) Catalog of Isolated Galaxies, the other only galaxies found within one Abell radius from the center of nearby Abell clusters. The goal is to obtain a comparison of the radio properties of the galaxies in these two samples, to ascertain whether environmental processes affect significantly their radio emissivity. Above a threshold of five times the rms confusion, 7 percent of the cluster galaxies and 5 percent of the isolated ones are detected. With the caution required by the effects of confusion on the single-dish observations, no significant differences are found in the radio-continuum properties of these two samples.
Altschuler Daniel R.
Giovanelli Riccardo
Haynes Martha P.
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