The Intrinsic Shape of Sagittarius A* at 3.5-mm Wavelength

Gisela N. Ortiz-León, Michael D. Johnson, Sheperd S. Doeleman +19

The radio emission from Sgr A${}^{\ast }$ is thought to be powered by accretion onto a supermassive black hole of $\sim 4\times 10^6{\mathrm{M}}_{\odot }$ at the Galactic Center. At millimete…