Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aas...181.1507o&link_type=abstract
American Astronomical Society, 181st AAS Meeting, #15.07; Bulletin of the American Astronomical Society, Vol. 24, p.1144
Astronomy and Astrophysics
Astronomy
Scientific paper
We present results of a statistical comparison of a radio survey with the VLA and results from the ROSAT x-ray survey of the northern Abell catalog. The VLA survey has been carried out at 20cm in the C-array and has a limiting flux density of 10mJy for clusters with spectroscopically measured redshifts less than 0.09. R-band CCD images have also been obtained for most of the radio galaxies in the sample. The ROSAT survey data covers the same clusters both with and without detected radio galaxies. The initial results show that a strong correlation between the positions of the peaks of x-ray emission and the positions of the radio galaxies. In many cases it appears that the radio galaxy lies at the center of an x-ray subclump. These results suggest that that the extended emission from FR I radio galaxies is often confined to the local x-ray subclump. Thus the radio jets are profoundly influenced by conditions in the subclump and can be used to understand the dynamical state of the gas in the clumps.
Burns O. Jr. J.
Ledlow Michael J.
Owen Frazer N.
Voges Wolfgang
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