New outburst of the transient X-ray pulsar GRO J1008-57 detected by INTEGRAL

S. Grebenev*, G. De Cesare, J. Chenevez, A. Paizis, W. Hermsen, C. Winkler, R. Diehl, A. Domingo Garau

*Corresponding author for this work

Research output: Other contributionNet publication - Internet publicationResearch

Abstract

The X-ray pulsar GRO J1008-57 was detected in outburst during INTEGRAL Galactic Plane Scan observations performed on October 30, 2005, at 08h-10h UTC. The signal-to-noise ratio for this source was 13.2 in the mosaic image obtained by the IBIS/ISGRI telescope in the 18-45 keV band and the average flux was 31+/-3 mCrab. The spectrum in this energy band is well described by a power law with the photon index 2.5+/-0.5. The source was not confidently detected above 45 keV.

We encourage follow-up observations of this source at all wavelengths.
Original languageEnglish
Publication date2 Nov 2005
Publication statusPublished - 2 Nov 2005
SeriesThe Astronomer's telegram
NumberATel #647

Keywords

  • Radio
  • Optical
  • X-ray
  • Request for observations
  • Neutron star
  • Transient
  • Pulsar

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