Physics of Flares from Black Hole Microquasar V4641 Sgr in the Radio, Optical and X-rays

Details Physics of Flares from Black Hole Microquasar V4641 Sgr in the Radio, Optical and X-rays Physics of Flares from Black Hole Microquasar V4641 Sgr in the Radio, Optical and X-rays

Jul 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aipc..714..157k&link_type=abstract

X-RAY TIMING 2003: Rossie and Beyond. AIP Conference Proceedings, Volume 714, pp. 157-159 (2004).

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2

Black Holes, X-Ray, Radio, Microwave, Intergalactic Matter, Quasar Absorption And Emission-Line Systems, Lyman Forest

Scientific paper

We present a disk instability model for unusually short, but intense and chaotic, flares of a few days observed in a black hole microquasar V4641 Sgr= SAX J1819.3-2525, a multiple component relativistic jet source. To reproduce the observed short duration of the flare, a ring-like, truncated Keplerian disk is required. We discuss causes of such a truncated accretion disk based on the disk instability model, and implication to short-duration flare events observed in other microquasars and fast X-ray transients.

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