Astronomy and Astrophysics – Astronomy
Scientific paper
May 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...256..397f&link_type=abstract
Astrophysical Journal, Part 1, vol. 256, May 15, 1982, p. 397-409.
Astronomy and Astrophysics
Astronomy
150
Galactic Radiation, Peculiar Galaxies, Spiral Galaxies, X Ray Sources, Astronomical Catalogs, Color-Color Diagram, Frequency Response, Galactic Nuclei, Heao 2, Markarian Galaxies, Radio Sources (Astronomy), Seyfert Galaxies, Supernova Remnants
Scientific paper
The results of X-ray observations with the Einstein Observatory of 33 galaxies are presented. Almost all of these galaxies, some of which lie in groups and in interactive pairs, display disturbed morphologies. No uniform, well-defined selection criterion can describe the sample galaxies, but almost all lie in a region of the optical color/color diagram that suggests that they are experiencing bursts of star formation. This region is compatible with the locus of Markarian galaxies. The observed sample and the X-ray data are presented, and the X-ray data are discussed and compared with the optical and radio properties of the galaxies. It is concluded that nuclear activity is not the predominant source of X-rays in late-type peculiar galaxies and that the X-ray emission is likely to originate from the Population I galactic component, in particular binary sources and possible young SNR's.
Fabbiano Giuseppina
Feigelson Eric
Zamorani Gianni
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