Dissecting An Accretion Disk

Details Dissecting An Accretion Disk Dissecting An Accretion Disk

Jul 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006hst..prop11011k&link_type=abstract

HST Proposal ID #11011. Cycle 15

Computer Science

Scientific paper

We will use 5 epochs of CXO and HST imaging to determine the X-ray and UV size of the accretion disk of the lensed quasar RXJ1131--1231 using microlensing. Based on preliminary data, we find that the X-ray source is roughly 1/10 the size of the accretion disk in the rest-frame B-band. The new observations will significantly reduce the uncertainties in this estimate, provide a comparison between the size of the X-ray source and the size of the accretion disk in the rest frame ultraviolet, and have the signal-to-noise ratio necessary to begin examining the size of the hard and soft-band X-ray emission regions separately. The results will quantitatively test accretion disk theory and X-ray emission mechanisms.

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