2002ApJ...581L...9D

Query : 2002ApJ...581L...9D

2002ApJ...581L...9D - Astrophys. J., 581, L9-L13 (2002/December-2)

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

DELLA CECA R., BALLO L., TAVECCHIO F., MARASCHI L., PETRUCCI P.O., BASSANI L., CAPPI M., DADINA M., FRANCESCHINI A., MALAGUTI G., PALUMBO G.G.C. and PERSIC M.

Abstract (from CDS):

Using a long (≃150 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 (NH≃2.5x1024 cm–2) active galactic nucleus (AGN) having an intrinsic luminosity of L0.5–100keV≃1.9x1043 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.

Abstract Copyright: ∼

Journal keyword(s): Galaxies: Active - Galaxies: Individual: Alphanumeric: IC 694 - Galaxies: Individual: NGC Number: NGC 3690 - Galaxies: Nuclei - Galaxies: Starburst - X-Rays: Galaxies

Simbad objects: 11

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Number of rows : 11
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NGC 253 SyG 00 47 33.134 -25 17 19.68   8.03   6.94 8.1 ~ 3588 2
2 M 82 AGN 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 6156 6
3 MCG+10-17-002a G 11 28 26.5 +58 34 14           ~ 5 0
4 IC 694 AG? 11 28 27.312 +58 34 42.29   18.2       ~ 258 2
5 NGC 3690C G 11 28 30.70 +58 33 48.4           ~ 351 0
6 NGC 3690 IG 11 28 31.0 +58 33 41   13.19 12.86     ~ 1015 4
7 NGC 3690B GiP 11 28 31.02 +58 33 40.7   11.8       ~ 635 4
8 NGC 3690NE AGN 11 28 33.07 +58 33 54.2   11.8       ~ 635 4
9 MCG+10-17-005 IG 11 28 45.8500774416 +58 35 36.676808628   16   16.10   ~ 16 1
10 NGC 4945 Sy2 13 05 27.279 -49 28 04.44   9.31 14.40 7.55   ~ 1582 2
11 NGC 6240 Sy2 16 52 58.9 +02 24 03   14.31 13.37     ~ 1734 2

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