Statistics of X-ray flares of Sagittarius A*: evidence for solar-like self-organized criticality phenomenon

Ya-Ping Li, Feng Yuan, Qiang Yuan +6

X-ray flares have routinely been observed from the supermassive black hole, Sagittarius A${}^{\star }$ (Sgr A${}^{\star }$), at our Galactic center. The nature of these flares remains largel…