Far Infrared Variability of Sagittarius A*: 25.5 Hours of Monitoring with $Herschel$

Jordan M. Stone, D. P. Marrone, C. D. Dowell +3

Variable emission from Sgr~A*, the luminous counterpart to the super-massive black hole at the center of our Galaxy, arises from the innermost portions of the accretion flow. Bette…