E. M. Howard
Published 2016-02-03Version 1
The massive black hole at the Galactic Centre is known to be variable in radio, millimeter, near-IR and X-rays. We investigate the physical processes responsible for the variable observed emissions from the compact radio source Sgr A*. We study the evolution of the variable emission region and present light curves and time-resolved spectra of emissions from the accretion disk, close to the event horizon, near the marginally stable orbit of a Kerr black hole.
Comments: 3 pages, 2 figures, Galactic Center Workshop (19 - 23 October 2009 : Shanghai, China), The Galactic Center: a Window to the Nuclear Environment of Disk Galaxies. Proceedings of a workshop held at Shanghai, China Oct. 19-23, 2009. Ed. M. R. Morris, Q. D. Wang, F. Yuan. Astronomical Society of the Pacific, 2011, p.378
Flares in the Galactic Centre II: polarisation signatures of flares at mm-wavelengths
Analytic solution of a magnetized tori with magnetic polarization around Kerr black holes
Equilibrium configurations of charged fluid around Kerr black hole
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