2003A&A...405..505B


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.16CEST07:14:16

2003A&A...405..505B - Astronomy and Astrophysics, volume 405, 505-511 (2003/7-2)

RX J0042.3+4115: A stellar mass black hole binary identified in M 31.

BARNARD R., OSBORNE J.P., KOLB U. and BOROZDIN K.N.

Abstract (from CDS):

Four XMM-Newton X-ray observations of the central region of the Andromeda Galaxy (M 31) have revealed an X-ray source that varies in luminosity over ∼1-3x1038erg/s between observations and also displays significant variability over time-scales of a few hundred seconds. The power density spectra of lightcurves obtained in the 0.3-10keV energy band from the three EPIC instruments on board XMM-Newton are typical of disc-accreting X-ray binaries at low accretion rates, observed in neutron star binaries only at much lower luminosities (∼1036erg/s). However X-ray binaries with massive black hole primaries have exhibited such power spectra for luminosities >1038erg/s. We discuss alternative possibilities where RX J0042.3+4115 may be a background AGN or foreground object in the field of view, but conclude that it is located within M 31 and hence use the observed power spectra and X-ray luminosities to identify the primary as a black hole candidate.

Abstract Copyright:

Journal keyword(s): X-rays: general - galaxies: individual: M 31 - X-rays: binaries - black hole physics

Errata: erratum vol. 469, p. 873 (2007)

CDS comments: Table 4 : CXOM31 J004232.1+411939 is a misprint for CXOM31 J004231.2+411939.

Simbad objects: 21

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Number of rows : 21

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 2MASS J00421215+4117588 GlC 00 42 12.15 +41 17 58.8   19.090 17.69 16.740 15.800 ~ 39 0
2 2MASS J00421865+4114021 GlC 00 42 18.653 +41 14 02.13   15.920 15.09   13.920 ~ 72 0
3 RX J004222.8+411536 XB* 00 42 22.919 +41 15 35.14           ~ 20 0
4 2MASS J00422608+4119147 GlC 00 42 26.08 +41 19 14.8 18.560 17.720 16.62 15.850 15.130 ~ 65 0
5 2MASS J00423125+4119388 GlC 00 42 31.25 +41 19 38.9 17.00 16.960 15.79 15.290 14.66 ~ 68 0
6 M 31 G 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 10909 1
7 2MASS J00425965+4119192 GlC 00 42 59.651 +41 19 19.29 17.78 17.140 15.98 15.480 14.94 ~ 78 0
8 2E 153 GlC 00 43 10.621 +41 14 51.31 17.73 17.240 16.13 15.690 14.98 ~ 65 0
9 Bol 158 GlC 00 43 14.41 +41 07 21.3 15.900 15.560 14.65 14.150 13.550 ~ 113 1
10 2MASSI J0043372+411443 GlC 00 43 37.29 +41 14 43.6 16.91 16.480 15.58 14.980 14.47 ~ 69 0
11 NGC 3516 Sy1 11 06 47.4596406816 +72 34 07.189563769   13.12 12.40     ~ 1418 0
12 ESO 383-35 Sy1 13 35 53.7686909139 -34 17 44.139127597   13.89 13.61 8.9   ~ 1379 0
13 NGC 5506 AGN 14 13 14.901 -03 12 27.22   15.25 14.38     ~ 993 0
14 NGC 5548 Sy1 14 17 59.5401093128 +25 08 12.600227883   14.35 13.73     ~ 2393 0
15 V* V821 Ara HXB 17 02 49.3810714542 -48 47 23.163091737 16.20 16.30 15.5     ~ 1764 0
16 4U 1722-30 LXB 17 27 33.25 -30 48 07.4           ~ 233 1
17 NAME Great Annihilator LXB 17 43 54.83 -29 44 42.6           ~ 638 1
18 2XMM J180112.4-254436 LXB 18 01 12.40 -25 44 36.1           ~ 361 1
19 SS 433 HXB 19 11 49.5645897701 +04 58 57.824087535   16.3 13.0     A7Ib: 1928 3
20 Granat 1915+105 LXB 19 15 11.54938 +10 56 44.7585           ~ 2285 0
21 HD 226868 HXB 19 58 21.6758193269 +35 12 05.782512305 9.38 9.72 8.91 8.42   O9.7Iabpvar 3925 0

    Equat.    Gal    SGal    Ecl

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2020.07.16-07:14:16

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