! Swift/XRT hardness ratio of trigger: 1223470, name: GRB 240421B ! T0 for this burst is Swift MET=735385407.36 s, = 2024 Apr 21 at 09:43:22.360 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: READ TERR 1 READ SERR 2 NO NO NO NO NO ! WT -- hard data !Time Err (pos) Err(neg) Rate Error 134.460 5.040 -4.492 4.653807 0.888021 146.060 6.700 -6.559 3.794616 0.819158 157.589 5.822 -4.828 4.937227 1.181688 NO NO NO NO NO ! WT -- soft data !Time Err (pos) Err(neg) Rate Error 134.460 5.040 -4.492 3.742236 0.859110 146.060 6.700 -6.559 3.376483 0.778388 157.589 5.822 -4.828 5.466189 1.266131 NO NO NO NO NO ! WT -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 134.460 5.040 -4.492 1.243590 0.352430 146.060 6.700 -6.559 1.123837 0.303670 157.589 5.822 -4.828 0.903230 0.241321 NO NO NO NO NO ! PC -- hard data !Time Err (pos) Err(neg) Rate Error 221.708 57.834 -47.473 2.640723 0.480414 363.378 89.169 -83.836 2.748468 0.382476 532.816 102.765 -80.269 3.151642 0.398219 678.388 47.457 -42.807 2.404597 0.491917 815.284 96.102 -89.439 1.953743 0.311583 1000.679 91.233 -89.293 1.704926 0.294907 1224.970 142.747 -133.058 1.433553 0.219401 1437.143 75.998 -69.426 1.485515 0.306596 1689.207 159.905 -176.066 1.477735 0.201478 5819.081 85.784 -87.220 0.360874 0.067314 5987.894 77.440 -83.028 0.307139 0.064146 6137.993 75.272 -72.659 0.377863 0.074424 6343.491 117.998 -130.226 0.338052 0.054338 6591.011 158.813 -129.521 0.297601 0.047859 12789.365 82.116 -98.411 0.151598 0.034175 13019.600 122.671 -148.119 0.175855 0.030303 13261.587 106.343 -119.316 0.154876 0.031101 13573.118 183.439 -205.188 0.162825 0.024393 19033.323 429.578 -397.831 0.111947 0.012951 23147.342 319.633 -384.922 0.067952 0.010942 23692.826 278.112 -225.851 0.076348 0.013771 33747.281 11749.259 -3770.866 0.034891 0.007874 46008.838 580.885 -512.298 0.021195 0.005048 59377.062 4374.186 -2365.058 0.022496 0.003475 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 221.708 57.834 -47.473 1.699086 0.385515 363.378 89.169 -83.836 1.030141 0.234991 532.816 102.765 -80.269 0.981610 0.222426 678.388 47.457 -42.807 1.981533 0.449001 815.284 96.102 -89.439 0.969022 0.220752 1000.679 91.233 -89.293 0.995653 0.225909 1224.970 142.747 -133.058 0.645182 0.147971 1437.143 75.998 -69.426 1.242824 0.280119 1689.207 159.905 -176.066 0.613837 0.130536 5819.081 85.784 -87.220 0.247314 0.055767 5987.894 77.440 -83.028 0.279672 0.061409 6137.993 75.272 -72.659 0.290274 0.065028 6343.491 117.998 -130.226 0.173477 0.039008 6591.011 158.813 -129.521 0.174842 0.036724 12789.365 82.116 -98.411 0.196618 0.038862 13019.600 122.671 -148.119 0.103301 0.023455 13261.587 106.343 -119.316 0.123309 0.028055 13573.118 183.439 -205.188 0.071222 0.016356 19033.323 429.578 -397.831 0.051501 0.009040 23147.342 319.633 -384.922 0.030654 0.007498 23692.826 278.112 -225.851 0.048963 0.011086 33747.281 11749.259 -3770.866 0.027192 0.006920 46008.838 580.885 -512.298 0.018884 0.004785 59377.062 4374.186 -2365.058 0.007723 0.002074 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 221.708 57.834 -47.473 1.554202 0.451999 363.378 89.169 -83.836 2.668049 0.712933 532.816 102.765 -80.269 3.210685 0.832981 678.388 47.457 -42.807 1.213504 0.370456 815.284 96.102 -89.439 2.016201 0.560674 1000.679 91.233 -89.293 1.712369 0.488555 1224.970 142.747 -133.058 2.221936 0.612642 1437.143 75.998 -69.426 1.195275 0.365287 1689.207 159.905 -176.066 2.407375 0.608128 5819.081 85.784 -87.220 1.459172 0.427015 5987.894 77.440 -83.028 1.098209 0.332800 6137.993 75.272 -72.659 1.301748 0.388303 6343.491 117.998 -130.226 1.948683 0.538622 6591.011 158.813 -129.521 1.702110 0.450267 12789.365 82.116 -98.411 0.771027 0.231162 13019.600 122.671 -148.119 1.702358 0.485237 13261.587 106.343 -119.316 1.256008 0.381154 13573.118 183.439 -205.188 2.286167 0.626849 19033.323 429.578 -397.831 2.173666 0.456967 23147.342 319.633 -384.922 2.216723 0.649182 23692.826 278.112 -225.851 1.559287 0.451371 33747.281 11749.259 -3770.866 1.283133 0.436428 46008.838 580.885 -512.298 1.122352 0.390291 59377.062 4374.186 -2365.058 2.912666 0.902443