Kumar, Harsh, et.al.; Gupta, Rahul; Aryan, Amar; Dimple; Ghosh, Ankur; Kumar, Amit; Mishra, Kuntal; Pandey, Shashi Bhushan; Ror, Amit Kumar
(Monthly Notices of the Royal Astronomical Society, 2022-06)
We present results from extensive broadband follow-up of GRB 210204A over the period of 30 d. We detect optical flares in the
afterglow at 7.6 × 105 s and 1.1 × 106 s after the burst: the most delayed flaring ever detected ...