Microquasars in the low/hard state: strong coronae, compact jets, and the high frequency variability
| dc.creator | Merloni, A. | |
| dc.date | 2002-08-05 | |
| dc.date.accessioned | 2026-07-07T02:04:35Z | |
| dc.date.available | 2026-07-07T02:04:35Z | |
| dc.description | We apply a model of magnetically dominated coronae above standard accretion discs to the low/hard state of galactic black holes. When the disc-corona coupling is accounted for self-consistently assuming that magneto-rotational instability is at work in the disc, and that the corona is generated by buoyant escape of disc magnetic structures, then the model predicts powerful, X-ray emitting coronae at low accretion rates. A main consequence is discussed: the possibility that the corona itself is the launching site of powerful, MHD driven jets/outflows. This depends crucially of the coronal scaleheight. Finally, we present the first radial profiles of a corona a different accretion rates, and discuss their implications for high frequency variability. | |
| dc.description | 4 pages, 1 figure. Proceedings of the 4th Microquasar Workshop, 2002, eds. Durouchoux, Fuchs, Rodriguez, published by the Center for Space Physics: Kolkata | |
| dc.identifier | https://arxiv.org/abs/astro-ph/0208091 | |
| dc.identifier | http://arxiv.org/abs/astro-ph/0208091 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/4810 | |
| dc.subject | Astrophysics | |
| dc.title | Microquasars in the low/hard state: strong coronae, compact jets, and the high frequency variability | |
| dc.type | text |