Aggrawal, Vishi et al.; Pandey, Ashwani; Gupta, Alok C.
(Monthly notices of the Royal Astronomical society, 2018-11)
We present an extensive study of 72 archival Chandra light curves of the high-frequencypeaked type blazar Mrk 421, the first strong extragalactic object to be detected at TeV energies.
Between 2000 and 2015, Mrk 421 often ...