X-ray observations of ring galaxies with the Einstein Observatory

Details X-ray observations of ring galaxies with the Einstein Observatory X-ray observations of ring galaxies with the Einstein Observatory

Nov 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983aj.....88.1587g&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 88, Nov. 1983, p. 1587-1590.

Astronomy and Astrophysics

Astronomy

14

Astronomical Observatories, Galactic Radiation, Galactic Structure, Ring Galaxies, X Ray Astronomy, X Ray Sources, Astronomical Models, Interacting Galaxies, Luminous Intensity, Seyfert Galaxies, Thermal Emission

Scientific paper

Nine ring-type galaxies and the compact blue galaxy II Zw 40 were observed with the Einstein Observatory. Only NGC 985, with a Seyfert nucleus, was detected. Its nonthermal X-ray source is clearly located in the nucleus, and its luminosity is typical of Seyfert galaxies. The other observed galaxies are no brighter in the X-ray than other samples of peculiar and interacting galaxies. A model of thermal X-ray emission due to shock waves resulting from galaxy collisions is presented which predicts emission of similar luminosity to that from a combination of discrete sources.

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