Towards Measuring Black Hole Spin from Signatures in the Complex Visibility

Details Towards Measuring Black Hole Spin from Signatures in the Complex Visibility Towards Measuring Black Hole Spin from Signatures in the Complex Visibility

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21743040d&link_type=abstract

American Astronomical Society, AAS Meeting #217, #430.40; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

A new approach to estimating black hole spin from interferometric accretion disc data is brought forth. We observe that unique estimates for black hole spin can be discerned from the imaginary components of the complex visibility function. This is due to the link between asymmetries induced in the disk brightness profile by spin and the ability of the imaginary component of the visibility to probe asymmetry in the brightness profile.

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