! Swift/XRT hardness ratio of trigger: 3000066, name: GRB 250901A - source 1 ! T0 for this burst is Swift MET=778443293.265 s, = 2025 Sep 01 at 18:14:17.000 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 2720.312 166.162 -127.194 0.066282 0.017233 3111.248 193.948 -224.774 0.061835 0.013961 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 2720.312 166.162 -127.194 0.124507 0.023630 3111.248 193.948 -224.774 0.080487 0.015912 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 2720.312 166.162 -127.194 0.532357 0.171366 3111.248 193.948 -224.774 0.768257 0.230558