An enshrouded active galactic nucleus in the merging starburst system ARP 299 revealed by BeppoSAX

被引：63
|
作者：
Della Ceca, R
Ballo, L
Tavecchio, F
Maraschi, L
Petrucci, PO
Bassani, L
Cappi, M
Dadina, M
Franceschini, A
Malaguti, G
Palumbo, GGC
Persic, M
机构：
[1] Osserv Astron Brera, I-20121 Milan, Italy
[2] Observ Grenoble, Astrophys Lab, F-38041 Grenoble, France
[3] CNR, Ist Tesre, I-40129 Bologna, Italy
[4] Univ Padua, Dipartimento Astron, I-35122 Padua, Italy
[5] Univ Bologna, Dipartimento Astron, I-40127 Bologna, Italy
[6] Osserv Astron Trieste, I-34131 Trieste, Italy
来源：
ASTROPHYSICAL JOURNAL | 2002年 / 581卷 / 01期
关键词：
galaxies : active; galaxies; individual; (IC; 694; NGC; 3690); galaxies : nuclei; galaxies : starburst; X-rays : galaxies;
D O I：
10.1086/345925
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Using a long (similar or equal to150 ks) broadband (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 similar or equal to 2.5 x 10(24) cm(-2)) active galactic nucleus (AGN) having an intrinsic luminosity of L0.5-100 (keV) similar or equal to 1.9 x 10(43) ergs s(-1). 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.
引用
收藏
页码：L9 / L13
页数：5
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