Systematic investigation of X-ray spectral variability of TeV blazars during flares in the $RXTE$ era

Yijun Wang, Yongquan Xue, Shifu Zhu +1

Utilizing all the 16-year $RXTE$ observations, we analyze the X-ray spectra of 32 TeV blazars, and perform a systematic investigation of X-ray spectral variability for the 5 bright…