Flares, Magnetic Reconnections and Accretion Disk Viscosity

Details Flares, Magnetic Reconnections and Accretion Disk Viscosity Flares, Magnetic Reconnections and Accretion Disk Viscosity

Sep 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001cxo..prop..789w&link_type=abstract

Chandra Proposal ID #03300018

Astronomy and Astrophysics

Astrophysics

Chandra Proposal Id #03300018

Scientific paper

Accretion disks are invoked to explain a host of astrophysical phenomena, from protostellar objects to AGN. Yet the mechanism allowing accretion disks to operate are completely unknown. This proposal seeks to observe the ``smoking gun'' signature of magnetically-driven viscosity in accretion disks. Magnetically-induced viscosity is a plausible and generally accepted hypothesis, but it is completely untested. These data will establish the importance of magnetic fields in accretion disks. Because of its known flaring properites, we will observe the accretion disk in EM Cyg simulataneously with STIS/FUV-MAMA and CHANDRA. The simultaneous X-rays are absolutely necessary for the unambiguous detection of accretion disk magnetic reconnection flares.

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