A Transition to the Soft State in GRS 1758−258
نویسندگان
چکیده
منابع مشابه
1 A Transition to the Soft State in GRS 1758 – 258
Near the end of 2001 February, the black-hole candidate (BHC) GRS 1758–258 made an abrupt transition from a standard hard (low) state to a soft state. Unlike Cyg X–1 and other BHCs, whose luminosity increases during this transition, GRS 1758–258 was dimmer after the transition. We present observations with the Proportional Counter Array on the Rossi X-ray Timing Explorer and interpret the pheno...
متن کاملM ar 2 00 1 A Transition to the Soft State in GRS 1758 – 258
Near the end of 2001 February, the black-hole candidate (BHC) GRS 1758–258 made an abrupt transition from a standard hard (low) state to a soft state. Unlike Cyg X–1 and other BHCs, whose luminosity increases during this transition, GRS 1758–258 was dimmer after the transition. We present observations with the Proportional Counter Array on the Rossi X-ray Timing Explorer and interpret the pheno...
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متن کاملXMM - Newton Spectroscopy of the Galactic Microquasar GRS 1758 − 258 in the Peculiar Off / Soft State
We report on an XMM-Newton Reflection Grating Spectrometer observation of the black hole candidate and Galactic microquasar GRS 1758−258. The source entered a peculiar “off/soft” state in late February, 2001, in which the spectrum softened while the X-ray flux – and the inferred mass accretion rate – steadily decreased. We find no clear evidence for emission or absorption lines in the dispersed...
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ژورنال
عنوان ژورنال: The Astrophysical Journal
سال: 2001
ISSN: 0004-637X
DOI: 10.1086/320928