Astronomy and Astrophysics – Astronomy
Scientific paper
May 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976apj...205..721a&link_type=abstract
Astrophysical Journal, vol. 205, May 1, 1976, pt. 1, p. 721-727.
Astronomy and Astrophysics
Astronomy
3
Extragalactic Radio Sources, Galactic Clusters, Spiral Galaxies, Radiant Flux Density, Radio Astronomy, Radio Sources (Astronomy), Spatial Distribution
Scientific paper
Regions 2-deg x 2-deg in area centered on four spiral galaxies were scanned with the Goldstone 64-m antenna in search of satellite radio sources at 2295 MHz. Four control regions of equal area but free of galaxies brighter than 13th magnitude were also scanned. No significant excess in the number density of sources with flux densities greater than 0.10 Jy relative to the control fields was found. A detailed comparison is made between the results of this program and the results of previous investigators. In particular, attention is directed to the potentially important implications of an investigation by Tovmasyan (1968), who searched a large number of spirals and found evidence that a small percentage of them apparently have radio satellites located up to 20 arcmin from the central galaxy. Fifteen sources selected from Tovmasyan's list of 43 satellite sources were measured. The present results confirm his positions and relative flux densities for each of the sources.
Arp Halton
Carpenter Roy
Gulkis Sam
Klein Marian
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