! Swift/XRT hardness ratio of trigger: 21755, name: GRB 250108A ! T0 for this burst is Swift MET=758003855.866 s, = 2025 Jan 08 at 04:37:01.009 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 NO NO NO NO NO ! PC -- hard data !Time Err (pos) Err(neg) Rate Error 23480.017 22054.772 -7415.512 0.005799 0.001529 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 23480.017 22054.772 -7415.512 0.012087 0.002322 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 23480.017 22054.772 -7415.512 0.479801 0.156542