Kavli Affiliate: Fukun Liu| Summary: When a binary of early-type stars from the young stellar populations in the Galactic center (GC) region is scattered to the vicinity of the supermassive black hole (SMBH) Sgr~$rmA^*$, one of the components would be tidally ejected as an early-type hypervelocity star (HVS) and the counterpart would be captured on […]
Continue.. A Recent Supermassive Black Hole Binary in the Galactic Center Unveiled by the Hypervelocity Stars