! Swift/XRT hardness ratio of trigger: 19721, name: GRB 250416C ! T0 for this burst is Swift MET=766518874.446 s, = 2025 Apr 16 at 17:53:59.007 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 17517.916 298.660 -393.361 0.048149 0.011606 18366.151 490.948 -549.574 0.052940 0.010005 40011.282 39147.169 -17063.118 0.011865 0.003188 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 17517.916 298.660 -393.361 0.051539 0.012009 18366.151 490.948 -549.574 0.049191 0.009642 40011.282 39147.169 -17063.118 0.019192 0.004061 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 17517.916 298.660 -393.361 0.934210 0.313193 18366.151 490.948 -549.574 1.076215 0.293040 40011.282 39147.169 -17063.118 0.618211 0.211443