X-rays from a peculiar nucleus galaxy NGC 2196

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Astronomical Spectroscopy, Galactic Nuclei, Peculiar Galaxies, Spiral Galaxies, X Ray Sources, Active Galaxies, Galactic Evolution, Luminosity, Visible Spectrum

Scientific paper

Detection of a new X-ray source with the Einstein Observatory and its identification with the early type spiral (Sa) galaxy NGC 2196 (MCG 4-15-14), a member of Sersic's (1973) list of peculiar nuclei galaxies is reported. The X-ray luminosity of the galaxy is found to approximately 2 x 10 to the 40th erg/sec which is an order of magnitude higher compared to that of the normal spiral galaxies but comparable to that observed from weakly-active galaxies. The optical and X-ray characteristics of the galaxy are discussed and compared with those of the other normal and weakly-active galaxies.

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