The Accretion-Ejection Instability and a "Magnetic Flood" scenario for GRS 1915+105

Details The Accretion-Ejection Instability and a "Magnetic Flood" scenario for GRS 1915+105 The Accretion-Ejection Instability and a "Magnetic Flood" scenario for GRS 1915+105

2000-11-15

arxiv.org/abs/astro-ph/0011300v1

Astronomy and Astrophysics

Astrophysics

4 pages, to be published in `Proceedings of the Third Microquasar Workshop: Granada Workshop on galactic relativistic jet sour

Scientific paper

I present a global view of recent results on the Accretion-Ejection Instability (AEI), described in more details in other contributions to this workshop. These results address essentially the characteristics of the AEI as a good candidate to explain the low-frequency QPO of X-ray binaries, in particular (at $\sim 1-10$ Hz) of micro-quasars. I then discuss how, if the AEI is considered as the source of the QPO, a possible scenario can be considered where the $\sim 30$ mn. cycles of GRS 1915+105 are controlled by the evolution of magnetic flux in the disk.

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