The first X-ray eclipse of IGRJ16479-4514?
E. Bozzo, L. Stella, G. Israel, M. Falanga, S. Campana
TL;DR
This paper reports the first detailed X-ray observation of IGRJ16479-4514, revealing a possible eclipse by its supergiant companion and evidence of a dust scattering halo, enhancing understanding of its transient behavior.
Contribution
It presents the first long XMM-Newton observation of IGRJ16479-4514, identifying a potential eclipse event and a dust scattering halo, providing new insights into its structure and environment.
Findings
Detected a sudden X-ray obscuration consistent with an eclipse.
Identified a soft X-ray halo likely caused by dust scattering.
Provided detailed timing and spectral analysis of the source.
Abstract
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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