! Swift/XRT hardness ratio of trigger: 21622, name: GRB 230911A ! T0 for this burst is Swift MET=716094604.295 s, = 2023 Sep 11 at 03:09:32.307 UT ! The hard band is 1.51-10 keV ! The soft band is 0.3-1.5 keV ! For details of light-curve production, see Evans et al. 2007, A&A, 469, 379 ! There are 3 datasets: Hard, Soft, and the ratio ! Columns are as labelled ! BINMODE: GRB-like (counts) READ TERR 1 READ SERR 2