Resolving Galactic Black Hole Accretion Geometry with Chandra

Details Resolving Galactic Black Hole Accretion Geometry with Chandra Resolving Galactic Black Hole Accretion Geometry with Chandra

Sep 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001cxo..prop..806l&link_type=abstract

Chandra Proposal ID #03400337

Computer Science

Chandra Proposal Id #03400337

Scientific paper

Recent results have shown that the X-ray states observed in all black hole X-ray binary systems cannot be driven solely by the mass accretion rate, but depend on the accretion flow geometry in a complicated way. Our own results from AO-1 and AO-2 may reveal a previously unseen geometry. Additionally, correlations between discrete radio ejections, radio jets, and the X-ray state, have been noted recently. We propose to probe the accretion flow geometry in a black hole system in outburst with the HETGS to diagnose the geometry in different X-ray states; by doing so we will constrain what mechanisms act with the mass accretion rate to drive the state transitions. Ours is a global, simultaneous, multi-wavelength effort, which spans the radio, IR, optical, X-ray and gamma-ray bands.

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