2003MNRAS.346..265K

Query : 2003MNRAS.346..265K

2003MNRAS.346..265K - Mon. Not. R. Astron. Soc., 346, 265-272 (2003/November-3)

XMM-Newton observation of the X-ray point source population of the starburst galaxy IC 342.

KONG A.K.H.

Abstract (from CDS):

We present the results of an XMM-Newton observation of the starburst galaxy IC 342. Thirty-seven X-ray point sources were detected down to a luminosity limit of ∼1037 erg/s. Most of the sources are located near the spiral arms. The X-ray point source luminosity function is consistent with a power-law shape with a slope of 0.55, typical of starburst galaxies. We also present the energy spectra of several ultraluminous X-ray sources (ULXs), including the luminous X-ray source in the galactic nucleus. Except for the nucleus and a luminous supersoft X-ray source, other ULXs can generally be fitted with a simple power-law spectral model. The nucleus is very luminous (∼1040 erg/s in 0.2-12 keV) and requires disc blackbody and power-law components to describe the X-ray emission. The spectral fit reveals a cool accretion disc (kT 0.11 keV) and suggests that the source harbours either an intermediate-mass black hole or a stellar-mass black hole with outflow.

Abstract Copyright: 2003 RAS

Journal keyword(s): galaxies: individual: IC 342 - galaxies: starburst - X-rays: binaries - X-rays: galaxies

Nomenclature: Table 1: [K2003c] XNN (Nos X1-X37).

Simbad objects: 39

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Number of rows : 39
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 [MPK2011] 6 X 03 44 47.5 +68 08 46           ~ 5 0
2 XMMU J034449.7+680214 X 03 44 49.4 +68 02 17           ~ 4 0
3 [K2003c] X3 * 03 44 49.4 +68 07 38   13.1       ~ 3 0
4 [MPK2011] 9 X 03 45 04.6 +67 59 06           ~ 2 0
5 [MPK2011] 15 X 03 45 33.6 +67 59 14           ~ 2 0
6 XMMU J034539.9+680309 X 03 45 40.520 +68 03 10.65           ~ 6 0
7 [LB2005] PGC 13826 X8 X 03 45 41.40 +68 02 42.2           ~ 4 0
8 [SST2011] J034555.61+680455.3 ULX 03 45 55.612 +68 04 55.29           ~ 176 1
9 XMMU J034556.8+675926 X 03 45 56.4 +67 59 28           ~ 3 0
10 XMMU J034559.4+680537 X 03 45 59.2 +68 05 40           ~ 5 0
11 [MPK2011] 22 X 03 46 02.6 +67 55 14           ~ 2 0
12 [MPK2011] 23 X 03 46 06.3 +68 10 32           ~ 2 0
13 [MPK2008] C5 * 03 46 06.31 +68 07 07.2   12.8   11.82   ~ 7 0
14 2XMM J034615.6+681112 UX? 03 46 15.61 +68 11 12.8           ~ 32 0
15 XMMU J034622.4+680505 X 03 46 22.170 +68 05 05.84           ~ 4 0
16 USNO-A2.0 1575-01802769 * 03 46 25.9774813152 +68 04 19.844648544   16.7       ~ 3 0
17 [BBL2003b] 15 * 03 46 26.4039561384 +68 04 54.598992096   13.5       ~ 3 0
18 [MPK2011] 31 X 03 46 33.1 +67 58 58           ~ 2 0
19 [MPK2011] 32 X 03 46 39.2 +67 55 52           ~ 2 0
20 XMMU J034643.6+680611 X 03 46 43.660 +68 06 11.58           ~ 8 0
21 XMMU J034645.1+680946 X 03 46 45.560 +68 09 46.43           ~ 6 0
22 2XMM J034648.5+680547 G? 03 46 48.430 +68 05 47.45           ~ 16 0
23 IC 342 AGN 03 46 48.514 +68 05 45.98   10.5       ~ 1579 1
24 XMMU J034651.2+680027 X 03 46 51.2 +68 00 30           ~ 3 0
25 [MPK2011] 41 X 03 46 52.2 +68 08 45           ~ 2 0
26 XMMU J034652.9+680504 X 03 46 52.820 +68 05 04.96           ~ 4 0
27 [K2003c] X25 * 03 46 54.2 +67 59 02           ~ 3 0
28 [MPK2008] C15 X 03 46 57.490 +68 06 19.51           ~ 15 0
29 [MPK2008] C16 X 03 47 01.9 +68 02 39           ~ 3 0
30 [MPK2011] 47 X 03 47 03.90 +68 09 08.7           ~ 3 0
31 [MPK2011] 48 X 03 47 04.4 +68 05 21           ~ 3 0
32 XMMU J034718.6+681128 X 03 47 18.730 +68 11 29.79           ~ 4 0
33 XMMU J034722.9+680859 X 03 47 22.910 +68 08 59.81           ~ 4 0
34 [MPK2011] 56 X 03 48 05.6 +68 01 41           ~ 2 0
35 [RW2000] IC 342 X-7 X 03 48 06.930 +68 04 54.32           ~ 10 0
36 [K2003c] X34 X 03 48 18.3 +68 02 05           ~ 3 0
37 [MPK2011] 59 X 03 48 25.9 +68 08 20           ~ 2 0
38 [K2003c] X36 X 03 48 32.3 +67 56 44           ~ 2 0
39 [MPK2011] 61 * 03 49 14.0 +67 57 30   14.0       ~ 2 0

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