Journal
ASTROPHYSICAL JOURNAL
Volume 594, Issue 1, Pages L31-L34Publisher
UNIV CHICAGO PRESS
DOI: 10.1086/378144
Keywords
galaxies : active; galaxies : individual (Arp 299, IC 694, NGC 3690); galaxies : interactions; galaxies : peculiar; X-rays : binaries; X-rays : galaxies
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We report the results of a Chandra observation of the X-ray-luminous star-forming galaxy Arp 299 (NGC 3690/IC 694). We detect 18 discrete X-ray sources with luminosities above similar to10(39) ergs s(-1) (0.5-8.0 keV band), which contribute similar to40% of the total galactic emission in this band. The remaining emission is associated with a diffuse component spatially coincident with regions of widespread star formation. We detect X-ray emission from both nuclei. One of the discrete sources within the complex nuclear region of NGC 3690 is found to have a very hard spectrum, and therefore we associate it with the origin of the active galactic nucleus-like spectrum that has also been detected at high X-ray energies using BeppoSAX.
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