An enshrouded AGN in the merging starburst system Arp~299 revealed by BeppoSAX

Details An enshrouded AGN in the merging starburst system Arp~299 revealed by BeppoSAX An enshrouded AGN in the merging starburst system Arp~299 revealed by BeppoSAX

2002-11-05

arxiv.org/abs/astro-ph/0211077v1

Astrophys.J. 581 (2002) L9-L14

Astronomy and Astrophysics

Astrophysics

4 pages, 2 figures, Latex manuscript, Accepted for publication in Astrophysical Journal - Letters Edition

Scientific paper

10.1086/345925

Using a long (=150 ksec), broad-band (0.1--40 keV) BeppoSAX observation of the merging starburst system Arp 299 (=IC 694 + NGC 3690) we found the first unambiguous evidence of the presence of a deeply buried (N_H = 2.5E24 cm-2) AGN having an intrinsic luminosity of L(0.5-100 keV) = 1.9E43 cgs. The X-ray spectral properties of this AGN are discussed in detail as well as the thermal component detected at soft X-ray energies which, most likely, is associated with the starburst.

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