2009MNRAS.395L..71M

Query : 2009MNRAS.395L..71M

2009MNRAS.395L..71M - Mon. Not. R. Astron. Soc., 395, L71-L75 (2009/May-1)

Low metallicity and ultra-luminous X-ray sources in the Cartwheel galaxy.

MAPELLI M., COLPI M. and ZAMPIERI L.

Abstract (from CDS):

Low-metallicity (Z ≲ 0.05Z☉) massive (≳40M☉) stars might end their life by directly collapsing into massive black holes (BHs, 30 ≲ mBH/M☉≲ 80). More than ∼105 massive BHs might have been generated via this mechanism in the metal-poor ring galaxy Cartwheel, during the last ∼107yr. We show that such BHs might power most of the ultra-luminous X-ray sources (ULXs) observed in the Cartwheel. We also consider a sample of ULX-rich galaxies and we find a possible anticorrelation between the number of ULXs per galaxy and the metallicity in these galaxies. However, the data are not sufficient to draw any robust conclusions about this anticorrelation, and further studies are required.

Abstract Copyright: © 2009 The Authors. Journal compilation © 2009 RAS

Journal keyword(s): black hole physics - galaxies: individual: Cartwheel - galaxies: starburst - X-rays: binaries - X-rays: galaxies

Simbad objects: 19

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Number of rows : 19
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 NGC 1313 AG? 03 18 16.046 -66 29 53.74   10.06 10.0 9.40 10.4 ~ 723 2
3 ESO 34-11 GiG 06 43 06.0683597256 -74 14 10.632037308 14.01 13.60 12.94 12.34   ~ 76 2
4 UGC 4305 IG 08 19 04.9864630512 +70 43 13.086910452 12.06 11.72 11.39 11.11   ~ 812 2
5 2CXO J095550.1+694046 HXB 09 55 50.12 +69 40 46.4           ~ 294 1
6 NGC 3256 Sy2 10 27 51.284 -43 54 13.55   11.83 11.33 10.62 11.9 ~ 920 2
7 NGC 3395 GiG 10 49 50.1160141680 +32 58 58.421838360   12.1 12.10     ~ 292 1
8 NGC 3396 GiP 10 49 55.939 +32 59 26.44   12.6 12.50     ~ 214 1
9 NGC 4038 EmG 12 01 53.002 -18 52 03.32   10.91   9.74 11.0 ~ 1364 1
10 NAME Antennae IG 12 01 53.170 -18 52 37.92           ~ 1749 0
11 NGC 4039 GiP 12 01 53.51 -18 53 10.3   11.08   9.77   ~ 1173 1
12 Z 215-20 EmG 12 04 57.905 +43 08 59.03   15.7       ~ 30 0
13 NGC 4485 GiP 12 30 31.113 +41 42 04.22 12.10 12.42 11.93 11.93   ~ 305 2
14 NGC 4490 GiG 12 30 34.5 +41 38 26 10.03 10.22 9.79     ~ 616 3
15 NGC 4559 H2G 12 35 57.6402869976 +27 57 35.859278160   10.46 10.01     ~ 667 1
16 NGC 4676A AGN 12 46 10.05987 +30 43 54.6380           ~ 286 2
17 NGC 4676 IG 12 46 10.18 +30 43 53.7   14.1       ~ 318 0
18 [FK2005] 25 ULX 14 03 19.63 -41 22 58.7           ~ 252 0
19 M 92 GlC 17 17 07.39 +43 08 09.4     6.52     ~ 2240 0

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