2003ApJ...594L..31Z

Query : 2003ApJ...594L..31Z

2003ApJ...594L..31Z - Astrophys. J., 594, L31-L34 (2003/September-1)

Chandra observations of the X-ray-luminous star-forming galaxy merger Arp 299.

ZEZAS A., WARD M.J. and MURRAY S.S.

Abstract (from CDS):

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 ∼1039 ergs.s–1 (0.5-8.0 keV band), which contribute ∼40% 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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Journal keyword(s): Galaxies: Active - Galaxies: Individual: Name: Arp 299 - Galaxies: Individual: Alphanumeric: IC 694 - Galaxies: Individual: NGC Number: NGC 3690 - Galaxies: Interactions - Galaxies: Peculiar - X-Rays: Binaries - X-Rays: Galaxies

Nomenclature: Table 1: [ZWM2003] NN (Nos 1-18), GSW C'' added.

Simbad objects: 40

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Number of rows : 40
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 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
2 M 82 AGN 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 6156 6
3 NGC 3256 Sy2 10 27 51.284 -43 54 13.55   11.83 11.33 10.62 11.9 ~ 920 2
4 [ZWM2003] 1 X 11 28 26.8 +58 34 07           ~ 3 0
5 IC 694 AG? 11 28 27.312 +58 34 42.29   18.2       ~ 258 2
6 [ZWM2003] 3 X 11 28 30.7 +58 33 44           ~ 4 0
7 NGC 3690C G 11 28 30.70 +58 33 48.4           ~ 351 0
8 [ZWM2003] 2 PoG 11 28 30.7 +58 33 49           ~ 39 0
9 [ZWM2003] 4 X 11 28 30.8 +58 33 43           ~ 2 0
10 GSW B21 PoG 11 28 30.9 +58 33 45           ~ 8 0
11 NGC 3690 IG 11 28 31.0 +58 33 41   13.19 12.86     ~ 1015 4
12 GSW B1 PoG 11 28 31.0 +58 33 41           ~ 39 1
13 NGC 3690B GiP 11 28 31.02 +58 33 40.7   11.8       ~ 635 4
14 GSW C' PoG 11 28 31.02 +58 33 49.4           ~ 25 0
15 [ZWM2003] 7 X 11 28 31.2 +58 33 26           ~ 3 0
16 GSW B2 PoG 11 28 31.4 +58 33 43           ~ 29 0
17 [ZWM2003] 8 X 11 28 31.7 +58 33 50           ~ 4 0
18 [ZWM2003] 9 X 11 28 32.3 +58 33 18           ~ 3 0
19 NGC 3690NE AGN 11 28 33.07 +58 33 54.2   11.8       ~ 635 4
20 [ZWM2003] 10 X 11 28 33.1 +58 33 37           ~ 3 0
21 [ZWM2003] 11 X 11 28 33.1 +58 33 56           ~ 3 0
22 [ZWM2003] 12 X 11 28 33.2 +58 33 44           ~ 5 0
23 [ZWM2003] 13 X 11 28 33.3 +58 34 03           ~ 3 0
24 [ZWM2003] 14 X 11 28 33.4 +58 33 47           ~ 4 0
25 GSW A3 PoG 11 28 33.5931 +58 33 46.560           ~ 5 0
26 GSW A4 PoG 11 28 33.6502 +58 33 46.538           ~ 5 0
27 [ZWM2003] 16 PoG 11 28 33.7 +58 33 47           ~ 40 1
28 [ZWM2003] 15 X 11 28 33.7 +58 33 51           ~ 4 0
29 [ZWM2003] 17 X 11 28 34.1 +58 33 40           ~ 4 0
30 [ZWM2003] 18 X 11 28 37.5 +58 33 41           ~ 2 0
31 NGC 4038 EmG 12 01 53.002 -18 52 03.32   10.91   9.74 11.0 ~ 1364 1
32 NAME Antennae IG 12 01 53.170 -18 52 37.92           ~ 1749 0
33 NGC 4039 GiP 12 01 53.51 -18 53 10.3   11.08   9.77   ~ 1173 1
34 NGC 6240 Sy2 16 52 58.9 +02 24 03   14.31 13.37     ~ 1734 2
35 GSW C5 PoG ~ ~           ~ 3 0
36 GSW C4 PoG ~ ~           ~ 4 0
37 GSW A6 PoG ~ ~           ~ 4 0
38 GSW C2 PoG ~ ~           ~ 8 0
39 GSW B23 PoG ~ ~           ~ 3 0
40 GSW A5 PoG ~ ~           ~ 3 0

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