ASCA Observation of the quiescent X-ray counterpart to SGR1627-41

Details ASCA Observation of the quiescent X-ray counterpart to SGR1627-41 ASCA Observation of the quiescent X-ray counterpart to SGR1627-41

1999-09-21

arxiv.org/abs/astro-ph/9909355v1

Astronomy and Astrophysics

Astrophysics

Submitted to Astrophysical Journal Letters

Scientific paper

10.1086/312424

We present a 2 - 10 keV ASCA observation of the field around the soft gamma repeater SGR1627-41. A quiescent X-ray source was detected in this observation whose position was consistent both with that of a recently discovered BeppoSAX X-ray source and with the Interplanetary Network localization for this SGR. In 2 - 10 keV X-rays, the spectrum of the X-ray source may be fit equally well by a power law, blackbody, or bremsstrahlung function, with unabsorbed flux ~5 x 10^-12 erg cm^-2 s^-1. We do not confirm a continuation of a fading trend in the flux, and we find no evidence for periodicity, both noted in the earlier BeppoSAXobservations.

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