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XMM-Newton Observation of the Black Hole Microquasar GRS 1758-258
journal contribution
posted on 2017-10-31, 15:20 authored by A. Goldwurm, D. Israël, P. Goldoni, P. Ferrando, A. Decourchelle, F. I. Mirabel, R. S. WarwickThe XMM-Newton X-ray observatory pointed the galactic black hole candidate and microquasar GRS 1758-258 in September 2000 for about 10 ks during a program devoted to the scan of the Galactic Center regions. Preliminary results from EPIC MOS camera data are presented here. The data indicate that the source underwent a state transition from its standard low-hard state to an intermediate state. For the first time in this source the ultra-soft component of the accretion disk, which black hole binaries display in intermediate or high-soft states, was clearly detected and measured thanks to the high spectral capabilities of XMM-Newton.
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Citation
AIP Conference Proceedings, 2001, 587(61)Author affiliation
/Organisation/COLLEGE OF SCIENCE AND ENGINEERING/Department of Physics and AstronomyVersion
- AM (Accepted Manuscript)
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AIP Conference ProceedingsPublisher
AIP Publishingissn
0094-243Xeissn
1551-7616Copyright date
2001Available date
2017-10-31Publisher DOI
Publisher version
http://aip.scitation.org/doi/abs/10.1063/1.1419372Notes
To appear in the Proc. of the Gamma-Ray Astrophysics 2001 Symposium, 4-6 April 2001, Baltimore, Maryland, U.S.A.. American Institute of Physics (AIP) series: 5 pages, 6 PS figures, latex, uses aipproc.cls aipproc.styLanguage
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