! Swift/XRT hardness ratio of trigger: 1104343, name: GRB 220427A ! T0 for this burst is Swift MET=672786064 s, = 2022 Apr 27 at 21:00:34.961 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 ! WT -- hard data !Time Err (pos) Err(neg) Rate Error 193.806 9.155 -11.992 1.562598 0.323002 NO NO NO NO NO ! WT -- soft data !Time Err (pos) Err(neg) Rate Error 193.806 9.155 -11.992 2.578343 0.392935 NO NO NO NO NO ! WT -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 193.806 9.155 -11.992 0.606047 0.154055 NO NO NO NO NO ! PC -- hard data !Time Err (pos) Err(neg) Rate Error 245.058 20.800 -24.332 1.440122 0.315506 298.681 34.874 -32.823 0.905596 0.205333 358.702 30.013 -25.147 1.136396 0.254106 428.944 47.528 -40.228 0.741119 0.161725 552.386 84.554 -75.914 0.384229 0.086394 696.439 65.866 -59.499 0.491510 0.110516 836.354 86.420 -74.048 0.379957 0.085671 1065.147 125.908 -142.374 0.225974 0.051165 1284.445 97.167 -93.389 0.336623 0.073748 1513.733 171.263 -132.121 0.193924 0.044032 1780.397 130.256 -95.401 0.201381 0.044121 6366.778 235.123 -253.803 0.072905 0.016426 7199.183 603.718 -597.281 0.044670 0.008256 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 245.058 20.800 -24.332 1.355493 0.304781 298.681 34.874 -32.823 1.367746 0.250638 358.702 30.013 -25.147 1.753112 0.316277 428.944 47.528 -40.228 0.696578 0.157061 552.386 84.554 -75.914 0.658716 0.112587 696.439 65.866 -59.499 0.749875 0.135892 836.354 86.420 -74.048 0.492707 0.097665 1065.147 125.908 -142.374 0.384811 0.066809 1284.445 97.167 -93.389 0.451503 0.086176 1513.733 171.263 -132.121 0.248107 0.050859 1780.397 130.256 -95.401 0.195885 0.042629 6366.778 235.123 -253.803 0.077669 0.017281 7199.183 603.718 -597.281 0.064436 0.009925 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 245.058 20.800 -24.332 1.062434 0.333534 298.681 34.874 -32.823 0.662108 0.193025 358.702 30.013 -25.147 0.648217 0.186240 428.944 47.528 -40.228 1.063942 0.333844 552.386 84.554 -75.914 0.583301 0.164746 696.439 65.866 -59.499 0.655456 0.189287 836.354 86.420 -74.048 0.771163 0.231517 1065.147 125.908 -142.374 0.587234 0.167550 1284.445 97.167 -93.389 0.745562 0.216632 1513.733 171.263 -132.121 0.781616 0.239096 1780.397 130.256 -95.401 1.028059 0.317469 6366.778 235.123 -253.803 0.938657 0.297227 7199.183 603.718 -597.281 0.693244 0.166788