2009MNRAS.393L..11B

Query : 2009MNRAS.393L..11B

2009MNRAS.393L..11B - Mon. Not. R. Astron. Soc., 393, L11-L15 (2009/February-2)

Discovery of a 30-d period in the supergiant fast X-ray transient SAX J1818.6-1703.

BIRD A.J., BAZZANO A., HILL A.B., McBRIDE V.A., SGUERA V., SHAW S.E. and WATKINS H.J.

Abstract (from CDS):

SAX J1818.6-1703 has been characterized as a supergiant fast X-ray transient system on the basis of several INTEGRAL/IBIS detections since the original BeppoSAX Wide Field Camera detection. Using IBIS/ISGRI, Swift/BAT and archival observations, we show that, in fact, SAX J1818.6-1703 exhibits emission on a period of 30±0.1 d, with a high degree of recurrence. SAX J1818.6-1703 is therefore the second supergiant fast X-ray transient shown to exhibit periodic outbursts, but with a considerably shorter period than the other known system, IGR J11215-5952.

Abstract Copyright: © 2008 The Authors. Journal compilation © 2008 RAS

Journal keyword(s): gamma-rays: observations - X-rays: binaries - X-rays: individual: SAX J1818.6-1703

Simbad objects: 6

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Number of rows : 6
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 V* GP Vel HXB 09 02 06.8608812864 -40 33 16.899168060 6.85 7.37 6.87 6.31 6.05 B0.5Ia 1588 0
2 HD 306414 HXB 11 21 46.8238550520 -59 51 47.970396396 10.12 10.69 10.23 10.00   B1Ia 162 0
3 SAX J1818.6-1703 HXB 18 18 37.8984077808 -17 02 47.967846180           B0Iab 112 0
4 IGR J18483-0311 HXB 18 48 17.2064716656 -03 10 16.865225040 23.702 25.162 21.884 17.888 15.88 B0.5Ia 135 0
5 4U 1907+09 HXB 19 09 38.0514267264 +09 49 47.270139132   19.41 16.35 15.570 12.53 O9.5Iab 362 0
6 NAME Galactic Bulge reg ~ ~           ~ 4794 0

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