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Methods for detecting flaring structures in Sagittarius A* with high frequency VLBI
Sheperd S. Doeleman, Vincent L. Fish, Avery E. Broderick +2
The super massive black hole candidate, Sagittarius A*, exhibits variability from radio to X-ray wavelengths on time scales that correspond to < 10 Schwarzschild radii. We survey t…
Estimating the Parameters of Sgr A*'s Accretion Flow Via Millimeter VLBI
Avery E. Broderick, Vincent L. Fish, Sheperd S. Doeleman +1
Recent millimeter-VLBI observations of Sagittarius A* (Sgr A*) have, for the first time, directly probed distances comparable to the horizon scale of a black hole. This provides un…
Detecting Flaring Structures in Sagittarius A* with (Sub)Millimeter VLBI
Vincent L. Fish, Sheperd S. Doeleman, Avery E. Broderick +2
Multiwavelength monitoring observations of Sagittarius A* exhibit variability on timescales of minutes to hours, indicating emission regions localized near the event horizon. (Sub)…