2005PASJ...57..135I

Query : 2005PASJ...57..135I

2005PASJ...57..135I - Publ. Astron. Soc. Jap., 57, 135-145 (2005/February-0)

Chandra observation of the starburst galaxy NGC 2146.

INUI T., MATSUMOTO H., TSURU T.G., KOYAMA K., MATSUSHITA S., PECK A.B. and TARCHI A.

Abstract (from CDS):

begin{HTML} We present six monitoring observations of the starburst galaxy NGC 2146 using the Chandra X-ray Observatory. We detected 67 point sources in the field of view of the ACIS-S detector. Six of these sources were Ultra-Luminous X-ray Sources, the brightest of which had a luminosity of 5 x 10<sup>39 erg s<sup>-1</sup>. One of them, with a luminosity of ∼ 1 x 10<sup>39</sup> erg s<sup>-1</sup>, is coincident with the dynamical center location, which may be a low-luminosity active galactic nucleus. We have produced a table where the positions and main characteristics of the detected sources are reported. A comparison between the positions of the X-ray sources and those detected in NIR or radio indicates no definite counterpart. We have derived a log <i>N</i> - log <i>S</i> relation and a luminosity function. The luminosity function has a slope of 0.71 above a detection limit, which is similar to those found in other starburst galaxies. Diffuse emissions were detected in both soft (0.5-2.0keV) and hard (2.0-10.0keV) energy bands. The spectra of the diffuse component were fitted with two (hard and soft) components. The hard power-law component, with a luminosity of ∼ 4 x 10<sup>39 erg s<sup>-1</sup>, is likely to have originated by unresolved point sources.

Abstract Copyright: ∼

Journal keyword(s): galaxies: active - galaxies: individual: NGC 2146 - galaxies: starburst - X-rays: galaxies

VizieR on-line data: <Available at CDS (J/PASJ/57/135): table8.dat>

Nomenclature: Table 8: [IMT2005] NN (Nos 1-67).

Simbad objects: 76

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Number of rows : 76
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 [IMT2005] 2 X 06 17 21.73 +78 17 43.7           ~ 1 0
3 GALEX J061721.7+782221 X 06 17 21.7323816600 +78 22 20.964092700   18.9   19.2   ~ 2 0
4 [IMT2005] 3 X 06 17 23.64 +78 20 36.3           ~ 1 0
5 [IMT2005] 4 X 06 17 23.88 +78 20 33.9           ~ 1 0
6 [IMT2005] 5 X 06 17 40.68 +78 22 16.0           ~ 1 0
7 [IMT2005] 6 X 06 17 48.59 +78 24 14.7           ~ 1 0
8 [IMT2005] 7 X 06 17 51.58 +78 25 35.4           ~ 1 0
9 [IMT2005] 8 X 06 17 56.48 +78 24 11.7           ~ 1 0
10 [IMT2005] 9 X 06 18 04.24 +78 23 54.3           ~ 1 0
11 [IMT2005] 10 X 06 18 04.60 +78 19 16.6           ~ 1 0
12 [IMT2005] 11 X 06 18 05.40 +78 23 10.7           ~ 1 0
13 [IMT2005] 12 X 06 18 06.13 +78 25 38.8           ~ 1 0
14 [IMT2005] 13 X 06 18 09.46 +78 21 25.3           ~ 1 0
15 [IMT2005] 14 X 06 18 13.01 +78 21 50.7           ~ 1 0
16 [IMT2005] 15 X 06 18 13.06 +78 22 43.3           ~ 1 0
17 [IMT2005] 16 X 06 18 16.30 +78 21 34.9           ~ 1 0
18 [IMT2005] 17 X 06 18 17.63 +78 20 17.7           ~ 1 0
19 [IMT2005] 18 X 06 18 17.84 +78 22 26.9           ~ 1 0
20 [IMT2005] 19 X 06 18 21.83 +78 24 56.6           ~ 1 0
21 [IMT2005] 20 X 06 18 23.81 +78 22 25.0           ~ 1 0
22 [IMT2005] 21 X 06 18 30.57 +78 21 31.8           ~ 1 0
23 [IMT2005] 23 X 06 18 30.86 +78 22 43.2           ~ 1 0
24 [IMT2005] 22 X 06 18 30.86 +78 21 22.8           ~ 1 0
25 [IMT2005] 24 X 06 18 31.78 +78 21 41.4           ~ 1 0
26 [IMT2005] 25 X 06 18 32.3070014280 +78 21 30.709783548           ~ 1 0
27 [IMT2005] 26 X 06 18 32.77 +78 21 22.6           ~ 1 0
28 [IMT2005] 27 X 06 18 33.61 +78 20 43.1           ~ 1 0
29 2MASS J06183439+7821338 X 06 18 34.39 +78 21 33.9           ~ 1 0
30 [IMT2005] 28 X 06 18 34.62 +78 21 25.4           ~ 1 0
31 [IMT2005] 31 X 06 18 36.71 +78 20 48.7           ~ 1 0
32 [IMT2005] 30 X 06 18 36.71 +78 21 34.0           ~ 1 0
33 [IMT2005] 32 X 06 18 36.90 +78 21 27.4           ~ 1 0
34 [IMT2005] 33 X 06 18 37.30 +78 21 23.0           ~ 1 0
35 [IMT2005] 34 X 06 18 37.32 +78 21 14.4           ~ 1 0
36 [IMT2005] 35 X 06 18 37.47 +78 21 20.4           ~ 1 0
37 [IMT2005] 36 X 06 18 37.57 +78 20 21.4           ~ 1 0
38 NGC 2146 AGN 06 18 37.710 +78 21 25.27 11.67 11.38 10.59     ~ 765 2
39 [IMT2005] 37 X 06 18 37.72 +78 21 24.9           ~ 1 0
40 [IMT2005] 38 X 06 18 37.90 +78 21 11.0           ~ 1 0
41 [IMT2005] 39 X 06 18 38.62 +78 21 27.4           ~ 1 0
42 [IMT2005] 40 X 06 18 38.77 +78 21 24.3           ~ 1 0
43 [IMT2005] 41 X 06 18 39.31 +78 21 21.5           ~ 1 0
44 [IMT2005] 42 X 06 18 39.61 +78 21 14.5           ~ 1 0
45 [IMT2005] 43 X 06 18 40.04 +78 21 16.8           ~ 1 0
46 [IMT2005] 44 X 06 18 40.87 +78 21 24.8           ~ 1 0
47 [IMT2005] 45 X 06 18 41.10 +78 23 47.0           ~ 1 0
48 [IMT2005] 46 X 06 18 41.49 +78 21 14.0           ~ 1 0
49 [IMT2005] 47 X 06 18 42.40 +78 21 13.9           ~ 1 0
50 [IMT2005] 48 X 06 18 43.41 +78 21 21.1           ~ 1 0
51 [IMT2005] 49 X 06 18 45.64 +78 20 43.1           ~ 1 0
52 [IMT2005] 50 X 06 18 46.58 +78 21 00.8           ~ 1 0
53 [IMT2005] 51 X 06 18 48.65 +78 25 06.1           ~ 1 0
54 [IMT2005] 52 X 06 18 49.92 +78 20 45.4           ~ 1 0
55 [IMT2005] 53 X 06 18 51.01 +78 20 58.6           ~ 1 0
56 [IMT2005] 54 X 06 19 00.74 +78 21 09.0           ~ 1 0
57 [IMT2005] 55 X 06 19 05.48 +78 19 51.7           ~ 1 0
58 [IMT2005] 56 X 06 19 07.32 +78 21 09.0           ~ 1 0
59 [IMT2005] 57 X 06 19 08.54 +78 20 25.1           ~ 1 0
60 [IMT2005] 58 X 06 19 09.74 +78 19 49.9           ~ 1 0
61 [IMT2005] 59 X 06 19 10.00 +78 19 12.5           ~ 1 0
62 [IMT2005] 60 X 06 19 13.98 +78 21 45.0           ~ 1 0
63 [IMT2005] 61 X 06 19 16.72 +78 23 08.7           ~ 1 0
64 [IMT2005] 62 X 06 19 24.04 +78 17 41.4           ~ 1 0
65 [IMT2005] 63 X 06 19 28.00 +78 22 54.1           ~ 1 0
66 [IMT2005] 64 X 06 19 28.52 +78 21 58.9           ~ 1 0
67 [IMT2005] 65 * 06 19 30.2476032192 +78 24 23.925212244           ~ 1 0
68 [IMT2005] 66 X 06 19 31.23 +78 23 27.0           ~ 1 0
69 [IMT2005] 67 X 06 19 34.92 +78 23 06.3           ~ 1 0
70 2CXO J095550.1+694046 HXB 09 55 50.12 +69 40 46.4           ~ 294 1
71 M 82 AGN 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 6156 6
72 NGC 3256 Sy2 10 27 51.284 -43 54 13.55   11.83 11.33 10.62 11.9 ~ 920 2
73 NGC 4038 EmG 12 01 53.002 -18 52 03.32   10.91   9.74 11.0 ~ 1364 1
74 NAME Antennae IG 12 01 53.170 -18 52 37.92           ~ 1749 0
75 NGC 4039 GiP 12 01 53.51 -18 53 10.3   11.08   9.77   ~ 1173 1
76 NGC 5253 rG 13 39 55.990 -31 38 24.11 11.48 10.94 10.49 10.33 13.47 ~ 1421 4

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