2009MNRAS.394.2191C

Query : 2009MNRAS.394.2191C

2009MNRAS.394.2191C - Mon. Not. R. Astron. Soc., 394, 2191-2196 (2009/April-3)

An X-ray and optical study of the new SMC X-ray binary pulsar system SXP7.92 and its probable optical counterpart, AzV285.

COE M.J., SCHURCH M., McBRIDE V.A., CORBET R.H.D., TOWNSEND L.J., UDALSKI A. and GALACHE J.L.

Abstract (from CDS):

Optical and X-ray observations are presented here of a newly reported X-ray transient system in the Small Magellanic Cloud (SMC) - SXP7.92. A detailed analysis of the X-ray data reveal a coherent period of 7.9 s. A search through earlier X-ray observations of the SMC reveal a previously unknown earlier detection of this system. Follow-up X-ray observations identified a new transient source within the error circle of the previous observations. An optical counterpart, AzV285, is proposed which reveals clear evidence for a 36.8 d binary period.

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

Journal keyword(s): stars: neutron - X-rays: binaries

CDS comments: Object B = 2MASS6X J01015581-7232401 , object C = 2MASS6X J01015581-7232411.

Simbad objects: 9

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Number of rows : 9
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 LIN 198 HXB 00 52 05.6251611744 -72 26 04.228773036 13.86 14.91 14.927 14.91 14.794 B0-5(II)e 187 0
2 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
3 SXP 7.92 HXB 00 57 58.5236957520 -72 22 28.983943560     15.788   15.846 ~ 23 0
4 PSR J0100-7211 Psr 01 00 42.86 -72 11 33.3   17.69 17.82     B3V 101 0
5 2MASS6X J01015581-7232411 EB* 01 01 54.7891307327 -72 32 41.429291113           ~ 2 0
6 AzV 285 HXB 01 01 55.8081003144 -72 32 36.404929536 12.72 13.93 14.02   14.01 O6.5-7.5Ve 22 0
7 2MASS6X J01015581-7232401 NIR 01 01 55.812 -72 32 40.18           ~ 1 0
8 NAME SMC Bar PoG 01 05 -72.6           ~ 264 0
9 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0

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