! Swift/XRT hardness ratio of trigger: 1044382, name: GRB 210420B ! T0 for this burst is Swift MET=640636504 s, = 2021 Apr 20 at 18:34:37.120 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 ! WTST -- hard data !Time Err (pos) Err(neg) Rate Error 127.430257327528 1.81903768552603 -2.05594136722397 12.0273579200189 1.79294783951986 131.618661720463 2.24663225918206 -2.36936670740894 13.6846737742342 1.75215612224453 NO NO NO NO NO ! WTST -- soft data !Time Err (pos) Err(neg) Rate Error 127.430257327528 1.81903768552603 -2.05594136722397 19.4084842720961 2.271622402921 131.618661720463 2.24663225918206 -2.36936670740894 21.3981222081915 2.18396237362829 NO NO NO NO NO ! WTST -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 127.430257327528 1.81903768552603 -2.05594136722397 0.616438356164384 0.116832311813845 131.618661720463 2.24663225918206 -2.36936670740894 0.635416666666667 0.10404180885108 NO NO NO NO NO ! WT -- hard data !Time Err (pos) Err(neg) Rate Error 142.983 1.632 -1.662 15.024876 2.239783 146.470 1.747 -1.855 13.526513 2.057773 150.107 1.852 -1.890 12.834072 1.992839 153.612 1.618 -1.654 15.586268 2.323472 157.626 2.077 -2.396 11.401255 1.699605 162.055 2.150 -2.351 11.216001 1.671989 167.313 2.868 -3.108 8.152284 1.240198 172.599 2.106 -2.419 10.933054 1.629809 177.008 2.739 -2.303 9.810102 1.462409 182.092 2.544 -2.345 9.657991 1.530995 186.364 1.885 -1.728 10.324699 1.770674 190.923 2.865 -2.674 7.061366 1.220039 197.004 3.504 -3.216 7.347089 1.095241 204.583 3.692 -4.076 6.356137 0.947519 211.496 3.419 -3.221 4.898494 0.933688 218.794 4.369 -3.879 5.050591 0.855844 226.758 4.425 -3.595 4.378339 0.773989 234.676 2.814 -3.493 8.024075 1.183088 241.058 3.850 -3.567 4.567215 0.833857 250.249 4.404 -5.342 5.091965 0.759067 258.779 4.139 -4.125 5.841244 0.880602 267.829 4.780 -4.911 4.564368 0.728904 277.184 4.367 -4.575 3.430325 0.687228 287.539 5.893 -5.988 2.644843 0.513490 297.616 4.487 -4.184 4.063426 0.718320 307.099 6.565 -4.996 2.929509 0.534853 NO NO NO NO NO ! WT -- soft data !Time Err (pos) Err(neg) Rate Error 142.983 1.632 -1.662 17.028193 2.384432 146.470 1.747 -1.855 21.363601 2.553450 150.107 1.852 -1.890 13.545317 1.997154 153.612 1.618 -1.654 15.808624 2.397724 157.626 2.077 -2.396 15.445651 2.032958 162.055 2.150 -2.351 15.969370 2.008764 167.313 2.868 -3.108 11.771989 1.471506 172.599 2.106 -2.419 17.007012 2.032738 177.008 2.739 -2.303 13.874095 1.770022 182.092 2.544 -2.345 15.130355 1.859611 186.364 1.885 -1.728 10.021032 1.744441 190.923 2.865 -2.674 10.365802 1.448594 197.004 3.504 -3.216 10.880403 1.355431 204.583 3.692 -4.076 9.604805 1.164757 211.496 3.419 -3.221 9.360388 1.268515 218.794 4.369 -3.879 7.226841 0.990777 226.758 4.425 -3.595 9.484768 1.148518 234.676 2.814 -3.493 7.603400 1.180634 241.058 3.850 -3.567 5.480658 0.913444 250.249 4.404 -5.342 5.414248 0.802963 258.779 4.139 -4.125 3.712245 0.743708 267.829 4.780 -4.911 6.601941 0.872899 277.184 4.367 -4.575 4.862830 0.794248 287.539 5.893 -5.988 5.108410 0.693859 297.616 4.487 -4.184 3.803055 0.694340 307.099 6.565 -4.996 2.929487 0.534849 NO NO NO NO NO ! WT -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 142.983 1.632 -1.662 0.882353 0.180462 146.470 1.747 -1.855 0.633157 0.122494 150.107 1.852 -1.890 0.947491 0.202883 153.612 1.618 -1.654 0.985935 0.209674 157.626 2.077 -2.396 0.738153 0.146790 162.055 2.150 -2.351 0.702345 0.136993 167.313 2.868 -3.108 0.692515 0.136354 172.599 2.106 -2.419 0.642856 0.122831 177.008 2.739 -2.303 0.707081 0.138736 182.092 2.544 -2.345 0.638319 0.128038 186.364 1.885 -1.728 1.030303 0.251771 190.923 2.865 -2.674 0.681218 0.151379 197.004 3.504 -3.216 0.675259 0.131183 204.583 3.692 -4.076 0.661766 0.127170 211.496 3.419 -3.221 0.523322 0.122391 218.794 4.369 -3.879 0.698866 0.152330 226.758 4.425 -3.595 0.461618 0.098912 234.676 2.814 -3.493 1.055327 0.225973 241.058 3.850 -3.567 0.833333 0.206006 250.249 4.404 -5.342 0.940475 0.197761 258.779 4.139 -4.125 1.573507 0.394517 267.829 4.780 -4.911 0.691368 0.143338 277.184 4.367 -4.575 0.705418 0.182337 287.539 5.893 -5.988 0.517743 0.122676 297.616 4.487 -4.184 1.068464 0.271531 307.099 6.565 -4.996 1.000008 0.258201 NO NO NO NO NO ! PC -- hard data !Time Err (pos) Err(neg) Rate Error 336.131 14.152 -15.936 2.889564 0.633096 381.144 29.314 -30.862 2.060304 0.378284 445.667 32.489 -35.209 1.324181 0.284863 516.500 46.905 -38.344 1.011473 0.222508 593.788 24.778 -30.383 1.650782 0.352849 634.931 13.723 -16.365 2.741041 0.612915 666.653 17.104 -17.999 2.482885 0.542536 703.623 17.744 -19.866 2.308513 0.506469 752.914 31.135 -31.548 1.310749 0.294749 810.412 28.798 -26.363 1.496206 0.336929 870.964 33.437 -31.754 1.262771 0.282761 932.466 32.110 -28.065 1.449220 0.317947 1049.140 80.919 -84.564 0.499484 0.112797 1192.054 75.908 -61.995 0.598775 0.134837 1527.685 337.007 -259.723 0.254305 0.042419 13099.499 394.581 -430.320 0.024058 0.006110 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 336.131 14.152 -15.936 2.886264 0.632373 381.144 29.314 -30.862 1.371134 0.308328 445.667 32.489 -35.209 1.333634 0.286527 516.500 46.905 -38.344 1.163481 0.239740 593.788 24.778 -30.383 1.571137 0.344232 634.931 13.723 -16.365 2.721437 0.610247 666.653 17.104 -17.999 3.183294 0.614544 703.623 17.744 -19.866 2.182674 0.492908 752.914 31.135 -31.548 1.902339 0.354975 810.412 28.798 -26.363 2.100727 0.399809 870.964 33.437 -31.754 1.640947 0.323565 932.466 32.110 -28.065 1.379336 0.309734 1049.140 80.919 -84.564 0.926420 0.153233 1192.054 75.908 -61.995 1.083488 0.181573 1527.685 337.007 -259.723 0.504488 0.059620 13099.499 394.581 -430.320 0.048357 0.008632 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 336.131 14.152 -15.936 1.001143 0.310205 381.144 29.314 -30.862 1.502628 0.436223 445.667 32.489 -35.209 0.992911 0.301880 516.500 46.905 -38.344 0.869351 0.262036 593.788 24.778 -30.383 1.050693 0.321607 634.931 13.723 -16.365 1.007204 0.318955 666.653 17.104 -17.999 0.779973 0.227421 703.623 17.744 -19.866 1.057654 0.333003 752.914 31.135 -31.548 0.689020 0.201338 810.412 28.798 -26.363 0.712233 0.209995 870.964 33.437 -31.754 0.769538 0.229603 932.466 32.110 -28.065 1.050665 0.329844 1049.140 80.919 -84.564 0.539155 0.150922 1192.054 75.908 -61.995 0.552636 0.155126 1527.685 337.007 -259.723 0.504085 0.103048 13099.499 394.581 -430.320 0.497522 0.154449