Abstract
view Abstract Citations (28) References (25) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS The X-Ray Properties of Two Galaxies with High Far-Infrared Luminosities: ARP 220 and Markarian 231 Eales, S. A. ; Arnaud, K. A. Abstract We have analyzed the Einstein X-ray data for the two luminous infrared galaxies, Arp 220 and Markarian 231. There is an X-ray source ~ 1' from the position of Arp 220 that is probably associated with it. Mrk 231 was not detected. The size of the source and its soft X-ray spectrum implies that the bulk of the X-ray emission from Arp 220 cannot be coming from the obscured active nucleus at the galaxy's center. The absence of strong X-ray emission from the active nuclei in Arp 220 and Mrk 231 suggests that there must be more line-of-sight absorption to the active nuclei than is inferred from many of the absorption indicators available. Publication: The Astrophysical Journal Pub Date: January 1988 DOI: 10.1086/165889 Bibcode: 1988ApJ...324..193E Keywords: Active Galactic Nuclei; Astronomical Spectroscopy; Far Infrared Radiation; Galactic Structure; Markarian Galaxies; X Ray Sources; Absorption Spectra; Emission Spectra; Astrophysics; GALAXIES: INDIVIDUAL NAME: ARP 220; GALAXIES: INDIVIDUAL NAME: MARKARIAN 231; GALAXIES: X-RAYS full text sources ADS | data products SIMBAD (4) NED (4)
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