2006MNRAS.367.1132G

Query : 2006MNRAS.367.1132G

2006MNRAS.367.1132G - Mon. Not. R. Astron. Soc., 367, 1132-1138 (2006/April-2)

The ultraluminous X-ray sources in the high-velocity system of NGC1275.

GONZALEZ-MARTIN O., FABIAN A.C. and SANDERS J.S.

Abstract (from CDS):

We report the results of a study of X-ray point sources coincident with the high-velocity system (HVS) projected in front of NGC1275. A very deep X-ray image of the core of the Perseus cluster, made with the Chandra X-ray Observatory, has been used. We find a population of ultraluminous X-ray sources [ULXs; seven sources with LX(0.5 - 7.0 keV) > 7x1039erg/s]. As with the ULX populations in the Antennae and Cartwheel galaxies, those in the HVS are associated with a region of very active star formation. Several sources have possible optical counterparts found on the Hubble Space Telescope (HST) images, although the X-ray brightest one does not. Absorbed power-law models fit the X-ray spectra, with most having a photon index between 2 and 3.

Abstract Copyright: 2006 The Authors. Journal compilation © 2006 RAS

Journal keyword(s): galaxies: clusters: individual: Perseus - galaxies: individual: NGC1275

Nomenclature: Table 2: [GFS2006] N (Nos 1-8).

CDS comments: in Chap. 4 : M51 X-1 is a misprint for M51 X-7.

Simbad objects: 20

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Number of rows : 20
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 MCG-06-02-022a EmG 00 37 41.1133192392 -33 42 58.515101748   19.26   18.52   ~ 314 1
2 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
3 [GFS2006] 8 X 03 19 47.214 +41 30 47.62           ~ 1 0
4 [GFS2006] 7 X 03 19 47.422 +41 30 51.93           ~ 1 0
5 ACO 426 ClG 03 19 47.6 +41 30 54           ~ 2508 1
6 [GFS2006] 6 X 03 19 47.602 +41 30 47.01           ~ 1 0
7 [GFS2006] 5 X 03 19 47.925 +41 30 47.50           ~ 1 0
8 [GFS2006] 4 X 03 19 47.994 +41 30 52.30           ~ 1 0
9 [GFS2006] 3 X 03 19 48.090 +41 31 01.88           ~ 1 0
10 NGC 1275 Bla 03 19 48.1599902040 +41 30 42.108850836   13.10 12.48 11.09   ~ 4243 3
11 [GFS2006] 2 X 03 19 48.166 +41 30 46.64           ~ 1 0
12 [GFS2006] 1 X 03 19 48.736 +41 30 47.25           ~ 1 0
13 SN 1968A SN* 03 19 49 +41 30.2   15.5 14.5     SNI 28 1
14 IC 342 AGN 03 46 48.514 +68 05 45.98   10.5       ~ 1579 1
15 M 82 AGN 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 6156 6
16 NGC 3256 Sy2 10 27 51.284 -43 54 13.55   11.83 11.33 10.62 11.9 ~ 920 2
17 NGC 4038 EmG 12 01 53.002 -18 52 03.32   10.91   9.74 11.0 ~ 1364 1
18 NAME Antennae IG 12 01 53.170 -18 52 37.92           ~ 1749 0
19 NGC 4039 GiP 12 01 53.51 -18 53 10.3   11.08   9.77   ~ 1173 1
20 RX J133001+47137 UX? 13 30 01.01 +47 13 43.9           ~ 108 0

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