2014MNRAS.443.2499W

Query : 2014MNRAS.443.2499W

2014MNRAS.443.2499W - Mon. Not. R. Astron. Soc., 443, 2499-2516 (2014/September-3)

A spectroscopic search for high-mass X-ray binaries in M31.

WILLIAMS B.F., HATZIDIMITRIOU D., GREEN J., VASILOPOULOS G., COVARRUBIAS R., PIETSCH W.N., STIELE H., HABERL F. and BONFINI P.

Abstract (from CDS):

We present new optical spectroscopy of 20 candidate counterparts of 17 X-ray sources in the direction of the M31 disc. By comparing the X-ray catalogue from the XMM-Newton survey of M31 with star catalogues from the Local Group Galaxy Survey, we chose counterpart candidates based on optical colour and X-ray hardness. We have discovered 17 counterpart candidates with spectra containing stellar features. Eight of these are early-type stars of O or B type in M31, with hard X-ray spectra, making them good high-mass X-ray binary (HMXB) candidates. Three of these eight exhibit emission lines, which we consider to be the strongest HMXB candidates. In addition, our spectra reveal two likely Galactic cataclysmic variables, one foreground M star, two probable low-mass X-ray binaries related to M31 globular clusters, one emission-line region with an embedded Wolf-Rayet star and one newly discovered supernova remnant. Finally, two of the sources have stellar spectra with no features indicative of association with an X-ray source.

Abstract Copyright: © 2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2014)

Journal keyword(s): galaxies: individual: M31 - galaxies: spiral - X-rays: binaries

Status at CDS : Objects in title, abstract, text, figures, and all or part of small table(s) being processed in SIMBAD.

Simbad objects: 18

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Number of rows : 18
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 2MASS J00412375+4114596 CV* 00 41 23.7520710312 +41 14 59.613712692     16.40     ~ 15 0
2 Bol 86 GlC 00 42 18.6515838696 +41 14 01.999584816 15.985 15.899 15.131 14.661 13.920 ~ 78 0
3 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
4 2MASS J00430986+4119006 Gl? 00 43 09.8481275808 +41 19 00.778534248 19.586 18.829 17.723 17.045 16.452 ~ 37 0
5 RX J0045.9+4148 X 00 45 57.039 +41 48 32.28           ~ 6 0
6 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
7 NGC 330 Cl* 00 56 18.55 -72 27 45.1 9.37 9.76 9.55   8.89 ~ 445 0
8 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 6226 1
9 [FBB2012] 4075 WR* 01 34 32.50 +30 47 03.5   18.1 17.86     WN10 7 0
10 BD+40 349 * 01 41 49.7842273416 +41 21 59.584728852   10.94 10.24     ~ 4 0
11 HD 13799 * 02 16 47.6748 +62 57 01.501   8.97 8.75     B6III 10 0
12 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
13 V* BN Car s*r 10 45 35.0961330775 -60 08 36.658774701   14.330 11.824 11.102   K3Iab 3 0
14 SWIFT J1743.1-3620 HXB 17 43 01.3294550646 -36 22 22.218956366       16.8   OI 51 0
15 * 9 Sge s*b 19 52 21.7649260368 +18 40 18.751320984 5.32 6.24 6.23     O7.5Iabf 308 1
16 BD+28 4211 HS* 21 51 11.0221915656 +28 51 50.367627468 8.922 10.25 10.58 10.656 10.831 sdO2VIIIHe5 837 0
17 Feige 110 HS* 23 19 58.3996844256 -05 09 56.171142864 10.360 11.45 11.50 11.970 12.145 sdO8VIIIHe5 673 1
18 NAME Local Group GrG ~ ~           ~ 9325 0

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