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Supernova Light Curves Powered by Fallback Accretion
Jason Dexter, Daniel Kasen
Some fraction of the material ejected in a core collapse supernova explosion may remain bound to the compact remnant, and eventually turn around and fall back. We show that the lat…
Flare emission from Sagittarius A*
A. Eckart, M. Garcia-Marin, S. N. Vogel +18
Based on Bremer et al. (2011) and Eckart et al. (2012) we report on simultaneous observations and modeling of the millimeter, near-infrared, and X-ray flare emission of the source…
Inhomogeneous accretion discs and the soft states of black hole X-ray binaries
Jason Dexter, Eliot Quataert
Observations of black hole binaries (BHBs) have established a rich phenomenology of X-ray states. The soft states range from the low variability, accretion disc dominated thermal s…
Tilted black hole accretion disc models of Sagittarius A*: time-variable millimetre to near-infrared emission
Jason Dexter, P. Chris Fragile
High-resolution, multi-wavelength, and time-domain observations of the Galactic centre black hole candidate, Sgr A*, allow for a direct test of contemporary accretion theory. To da…
Radiative Models of Sagittarius A* and M87 from Relativistic MHD Simulations
Jason Dexter, Eric Agol, P. Chris Fragile +1
Ongoing millimeter VLBI observations with the Event Horizon Telescope allow unprecedented study of the innermost portion of black hole accretion flows. Interpreting the observation…