The Size, Shape, and Scattering of Sagittarius A* at 86 GHz: First VLBI with ALMA
S. Issaoun et al 2019 ApJ 871 30
New observations of the supermassive black hole Sagittarius A* with the with the Global Millimeter VLBI Array — now with ALMA added — reveal its size and shape and suggest that it is disk, not jet, dominated.