The Ultra Luminous Infrared Galaxy Mrk 231: new clues from BeppoSAX and XMM-Newton

Details The Ultra Luminous Infrared Galaxy Mrk 231: new clues from BeppoSAX and XMM-Newton The Ultra Luminous Infrared Galaxy Mrk 231: new clues from BeppoSAX and XMM-Newton

Jun 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004nuphs.132..153b&link_type=abstract

Nuclear Physics B Proceedings Supplements, Volume 132, p. 153-156.

Physics

Nuclear Physics

1

Scientific paper

We present BeppoSAX and XMM-Newton observations of Mrk 231. These observations and in particular the BeppoSAX PDS data allowed us to unveil, for the first time, the highly absorbed (NH~2×1024 cm-2) AGN component. We find that: a) the AGN powering Mrk 231 has an intrinsic 2-10 keV luminosity of 1+1-0.5×1044 erg s-1 b) the strong starburst activity contributes significantly in the 0.1-10 keV energy range. We propose that the starburst activity strongly contributes to the far infrared luminosity of Mrk 231; this is also suggested by the multiwavelength properties of Mrk 231.

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