2005MNRAS.356..665M


Query : 2005MNRAS.356..665M

2005MNRAS.356..665M - Mon. Not. R. Astron. Soc., 356, 665-670 (2005/January-2)

Near-infrared identification of the counterpart to X1908+075: a new OB-supergiant X-ray binary.

MOREL T. and GROSDIDIER Y.

Abstract (from CDS):

We report the near-infrared (near-IR) identification of the likely counterpart to X1908+075, a highly absorbed Galactic X-ray source recently suspected to belong to the rare class of OB supergiant-neutron star binary systems. Our JHKs-band imaging of the field reveals the existence within the X-ray error boxes of a near-IR source consistent with an early-type star lying at d∼ 7 kpc and suffering AV∼ 16 mag of extinction, the latter value being in good agreement with the hydrogen column density derived from modelling of the X-ray spectrum. Our follow-up, near-IR spectroscopic observations confirm the nature of this candidate and lead to a late O-type supergiant classification, thereby supporting the identification of a new Galactic OB-supergiant X-ray binary.

Abstract Copyright: 2004 RAS

Journal keyword(s): stars: early-type - infrared: stars - X-rays: binaries - X-rays: individual: X1908+075

Nomenclature: Fig.1, Table 1: [MG2005] A (Nos A-C).

Simbad objects: 14

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Number of rows : 14
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 SK 160 HXB 01 17 05.1457288392 -73 26 36.014808156 12.23 13.00 13.15   13.17 O9.7Ia+ 827 0
2 * 29 CMa SB* 07 18 40.3789353696 -24 33 31.318248528 3.80 4.80 4.95 4.95 5.08 O7Iafpvar 408 0
3 V* GP Vel HXB 09 02 06.8608812864 -40 33 16.899168060 6.85 7.37 6.87 6.31 6.05 B0.5Ia 1430 0
4 HD 123008 s*b 14 07 30.6443226936 -64 28 08.781137868 8.58 10.00 9.50 9.44   ON9.2Iab 102 0
5 V* QV Nor HXB 15 42 23.3633146128 -52 23 09.577395960   16.3 14.5     B0.2Ia:e 394 1
6 HD 151804 s*b 16 51 33.7218052272 -41 13 49.919519496 4.45 5.29 5.22     O8Iaf 364 0
7 GSC 00441-01200 * 18 27 13.4965184160 +04 03 09.803489760   13.8 13.5     K0 26 0
8 [MG2005] B NIR 19 10 46.923 +07 36 41.13           ~ 1 0
9 2MASS J19104771+0735200 NIR 19 10 47.7124087656 +07 35 20.197483908           ~ 1 0
10 [MG2005] A NIR 19 10 48.204 +07 35 52.32           ~ 1 0
11 4U 1908+075 HXB 19 10 48.2133201408 +07 35 51.707133960           O7.5-9.5sg 110 0
12 HD 179220 ** 19 11 25.7232173568 +07 58 41.212577604   8.95 8.01     G5 9 0
13 HD 179939 * 19 14 10.0429568952 +07 45 50.716958724   7.38 7.23     A3 20 0
14 HD 226868 HXB 19 58 21.6757355952 +35 12 05.784512688 9.38 9.72 8.91 8.42   O9.7Iabpvar 4122 0

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2022.08.15-15:54:51

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