! Swift/XRT hardness ratio of trigger: 3000058, name: GRB 250831A - source 2 ! T0 for this burst is Swift MET=778325368.257 s, = 2025 Aug 31 at 09:28:52.000 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 3228.979 74.722 -68.196 1.578895 0.355135 3391.491 92.736 -87.791 1.256525 0.283538 3545.946 66.155 -61.719 1.866737 0.408809 3674.951 57.501 -62.850 1.982987 0.434710 3803.372 74.505 -70.920 1.558402 0.350713 3939.422 58.806 -61.545 1.885961 0.423974 4093.949 72.270 -95.720 1.418898 0.311051 4253.329 85.895 -87.110 1.303021 0.294188 4406.364 68.255 -67.140 1.683337 0.377816 4578.783 78.858 -104.164 1.301168 0.285679 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 3228.979 74.722 -68.196 3.391186 0.520118 3391.491 92.736 -87.791 2.953375 0.433351 3545.946 66.155 -61.719 3.103670 0.526702 3674.951 57.501 -62.850 3.685218 0.592700 3803.372 74.505 -70.920 3.673355 0.538625 3939.422 58.806 -61.545 3.004814 0.535284 4093.949 72.270 -95.720 3.035020 0.455239 4253.329 85.895 -87.110 4.122635 0.521611 4406.364 68.255 -67.140 3.938242 0.577597 4578.783 78.858 -104.164 2.534261 0.398480 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 3228.979 74.722 -68.196 0.465588 0.126752 3391.491 92.736 -87.791 0.425454 0.114517 3545.946 66.155 -61.719 0.601461 0.166637 3674.951 57.501 -62.850 0.538092 0.146302 3803.372 74.505 -70.920 0.424245 0.113953 3939.422 58.806 -61.545 0.627646 0.180029 4093.949 72.270 -95.720 0.467509 0.124181 4253.329 85.895 -87.110 0.316065 0.081800 4406.364 68.255 -67.140 0.427434 0.114601 4578.783 78.858 -104.164 0.513431 0.138653