The first X-ray eclipse of IGRJ16479-4514?

Details The first X-ray eclipse of IGRJ16479-4514? The first X-ray eclipse of IGRJ16479-4514?

2009-01-24

arxiv.org/abs/0901.3826v1

AIP Conf.Proc.1126:319-321,2009

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

Proceeding of the Simbol-X symposium, held in Paris, 2-5 December, 2008. 3 pages, 3 figures

Scientific paper

10.1063/1.3149442

We report on the first long (~32 ks) pointed XMM-Newton observation of the supergiant fast X-ray transient IGRJ16479-4514. Results from the timing, spectral and spatial analysis of this observation show that the X-ray source IGRJ16479-4514 underwent an episode of sudden obscuration, possibly an X-ray eclipse by the supergiant companion. We also found evidence for a soft X-ray extended halo around the source that is most readily interpreted as due to scattering by dust along the line of sight to IGRJ16479-4514.

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