Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...139...50f&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 139, no. 1, Oct. 1984, p. 50-54.
Astronomy and Astrophysics
Astrophysics
21
Galactic Clusters, Galactic Structure, Radio Galaxies, X Ray Sources, Astronomical Maps, High Resolution, Interstellar Gas
Scientific paper
High resolution radio and X-ray observations are presented for the cluster of galaxies Abell 115, which is known in the literature for being characterized by a double X-ray structure and a multiple optical structure. The brightest galaxy of the cluster is associated with the radio source 3C28, which shows a very unusual radio morphology in the high resolution map presented here. A tail-type radio source is also found at about 4 arcmin from 3C28, in NE direction. A resolved X-ray structure is detected around 3C28, and is interpreted to originate from a hot gas which is likely to be accreting onto the galaxy. The complex radio structure of 3C28 is understood by invoking a combination of external ram pressure plus buoyancy effects of light radio plasmoids.
Feretti Luigina
Gioia Isabella Maria
Giovannini Gabriele
Gregorini Loretta
Padrielli Lucia
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