! Swift/XRT hardness ratio of trigger: 21828, name: GRB 250506A - source 1 ! T0 for this burst is Swift MET=768191037.563 s, = 2025 May 06 at 02:23:22.000 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 64153.319 915.435 -784.515 0.028039 0.004848 83811.920 48823.920 -14930.659 0.010760 0.002253 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 64153.319 915.435 -784.515 0.033629 0.005324 83811.920 48823.920 -14930.659 0.022590 0.003238 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 64153.319 915.435 -784.515 0.833779 0.195458 83811.920 48823.920 -14930.659 0.476302 0.120852