id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ap-9971	Jelínek, Martin; Novotný, Filip; Klose, Sylvio; Stecklum, Bringfried; Maleňáková, Alžběta; Štrobl, Jan	Early steep optical decay linked to reverse shock for GRB200131A	2025	7	.pdf	application/pdf	4410	268	63	We observed an optical afterglow of GRB 200131A obtaining the first photometric point 63 s after the satellite trigger. On January 31, 2020 at 22:41:16 UT a long gamma- ray burst (GRB) was detected by instrument BAT onboard Swift satellite in the southwest of Cassiopeia constellation, about 15° northeast of M31, and was designated GRB 200131A	cache/ap-9971.pdf	txt/ap-9971.txt