! Swift/XRT hardness ratio of trigger: 21893, name: GRB 251208B - source 1 ! T0 for this burst is Swift MET=786881842 s, = 2025 Dec 08 at 10:17:17.000 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 33933.975 901.646 -813.347 0.019858 0.003938 39231.331 902.133 -837.933 0.014016 0.003259 44685.255 694.109 -632.253 0.022080 0.004646 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 33933.975 901.646 -813.347 0.036580 0.005355 39231.331 902.133 -837.933 0.033781 0.005058 44685.255 694.109 -632.253 0.021698 0.004647 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 33933.975 901.646 -813.347 0.542883 0.133818 39231.331 902.133 -837.933 0.414897 0.114751 44685.255 694.109 -632.253 1.017601 0.305542