Central Engine of Late-Time X-ray Flares with Internal Origin

Hui-Jun Mu, Wei-Min Gu, Shu-Jin Hou +5

This work focuses on a sample of seven extremely late-time X-ray flares with peak time $t_{\mathrm{p}}>10^4\mathrm{s}$, among which two flares can be confirmed as the late-time activity…