Disk mass accretion rate and infrared flares in GRS 1915+105

Details Disk mass accretion rate and infrared flares in GRS 1915+105 Disk mass accretion rate and infrared flares in GRS 1915+105

2000-05-15

arxiv.org/abs/astro-ph/0005307v1

Astronomy and Astrophysics

Astrophysics

Accepted for publication on Astronomy & Astrophysics Letters, 4 pages

Scientific paper

We have analyzed in detail a set of Rossi X-ray Timing Explorer (RXTE) observations of the galactic microquasar GRS 1915+105 corresponding to times when quasi-periodic oscillations in the infrared have been reported. From time-resolved spectral analysis, we have estimated the mass accretion rate through the (variable) inner edge of the accretion disk. We compare this accretion rate to an estimate of the mass/energy outflow rate in the jet. We discuss the possible implications of these results in terms of disk-instability and jet ejection, and in particular note an apparent anti-correlation between the accretion and ejection rates, implying that the gas expelled in the jet must leave the accretion disk before reaching its innermost radius.

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