Concurrent X-ray, near-infrared, sub-millimeter, and GeV gamma-ray observations of Sgr A*

G. Trap, A. Goldwurm, K. Dodds-Eden +13

The radiative counterpart of the supermassive black hole at the Galactic center (GC), Sgr A*, is subject to frequent flares visible simultaneously in X-rays and near-infrared (NIR)…