! Swift/XRT hardness ratio of trigger: 1069551, name: GRB 210820A ! T0 for this burst is Swift MET=651173908.288, = 2021 Aug 20 at 17:38:00.705 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 READ TERR 1 READ SERR 2 NO NO NO NO NO ! WTST -- hard data !Time Err (pos) Err(neg) Rate Error 116.965095575387 0.854780396987039 -0.753596616425966 62.1559305848705 6.34530325678914 118.432203018708 0.754046969473521 -0.612327046334471 81.2229658322158 7.81573714911743 119.887983968282 0.698428001482682 -0.701733980100315 60.1804084872627 6.64584272496385 121.332675911202 0.847815076202082 -0.746263941436922 59.268567589537 6.1791972238449 123.011808169291 0.872209894253714 -0.831317181887286 71.9216687048765 6.59307330598468 NO NO NO NO NO ! WTST -- soft data !Time Err (pos) Err(neg) Rate Error 116.965095575387 0.854780396987039 -0.753596616425966 32.6779850505758 4.57614576173096 118.432203018708 0.754046969473521 -0.612327046334471 34.3663078020642 5.06705048343148 119.887983968282 0.698428001482682 -0.701733980100315 32.8034331771187 4.890058370135 121.332675911202 0.847815076202082 -0.746263941436922 28.8266324890591 4.29722812690989 123.011808169291 0.872209894253714 -0.831317181887286 36.6005629574386 4.68623089878986 NO NO NO NO NO ! WTST -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 116.965095575387 0.854780396987039 -0.753596616425966 1.88235294117647 0.32616624945114 118.432203018708 0.754046969473521 -0.612327046334471 2.34782608695652 0.413366702702652 119.887983968282 0.698428001482682 -0.701733980100315 1.82222222222222 0.338057064524869 121.332675911202 0.847815076202082 -0.746263941436922 2.04444444444444 0.371907919633168 123.011808169291 0.872209894253714 -0.831317181887286 1.95081967213115 0.307195592771308 NO NO NO NO NO ! WT -- hard data !Time Err (pos) Err(neg) Rate Error 132.005 0.684 -0.723 50.557264 6.270871 133.419 0.738 -0.730 46.982196 5.919213 134.668 0.560 -0.511 46.281361 6.970250 136.138 0.931 -0.910 56.045647 5.809464 137.834 0.692 -0.765 60.950225 6.968538 139.327 0.847 -0.801 77.072381 7.156020 140.698 0.613 -0.524 57.079857 7.489796 141.967 0.609 -0.656 64.470128 7.587957 143.062 0.586 -0.487 58.077735 7.692600 144.346 0.644 -0.697 59.132115 7.058043 145.680 0.712 -0.690 59.478342 6.864571 146.982 0.573 -0.590 52.875014 7.124409 148.578 0.979 -1.023 78.096970 6.530833 150.539 0.859 -0.982 54.781433 5.740426 152.138 0.660 -0.740 38.135255 5.658273 153.563 0.734 -0.764 52.524567 6.190098 155.387 1.002 -1.090 65.812011 5.863031 156.999 0.636 -0.611 55.204120 6.955084 158.478 0.909 -0.842 58.053674 6.019909 160.158 0.732 -0.772 41.847139 5.631890 161.729 1.083 -0.839 34.694120 4.442139 163.812 1.084 -1.001 24.105999 3.554243 166.406 1.458 -1.509 16.569309 2.470012 169.263 1.449 -1.399 16.988032 2.587998 172.296 1.436 -1.583 16.027010 2.441594 175.127 1.277 -1.395 18.925170 2.821203 177.582 0.987 -1.178 37.542230 4.453083 179.374 0.705 -0.805 42.436432 5.620857 180.791 0.728 -0.712 34.599132 5.270916 182.232 0.659 -0.713 36.891642 5.499492 183.940 0.997 -1.049 42.869292 4.854008 185.699 0.693 -0.762 38.073134 5.490532 187.224 1.050 -0.832 30.631389 4.328311 189.041 0.967 -0.767 29.165817 4.347792 191.716 1.872 -1.707 14.133617 2.106919 194.729 1.147 -1.141 21.918172 3.267374 196.866 1.142 -0.990 23.066490 3.438556 198.931 0.934 -0.923 25.626414 3.990442 200.854 0.926 -0.989 41.090977 4.842633 202.612 0.774 -0.832 30.794872 4.637894 204.289 1.015 -0.903 29.375412 4.187016 206.495 1.083 -1.191 21.623102 3.223388 208.685 1.335 -1.107 19.486623 3.034378 211.573 1.461 -1.553 16.313138 2.431823 214.626 1.527 -1.592 15.764271 2.350003 217.986 1.971 -1.833 12.926009 1.926899 221.205 1.303 -1.248 19.271675 2.872857 223.735 1.541 -1.227 26.443801 3.230633 226.346 1.213 -1.070 21.540481 3.211071 228.626 1.066 -1.067 22.686408 3.456102 230.920 1.322 -1.228 19.288692 2.875393 233.848 1.541 -1.606 24.254206 2.977602 237.064 1.337 -1.676 22.597226 2.891415 239.771 1.516 -1.370 29.645275 3.376777 242.758 1.278 -1.471 34.587684 3.708201 244.979 0.825 -0.944 51.289348 5.629755 246.783 1.017 -0.979 59.279130 5.728908 248.448 0.862 -0.648 62.425960 6.768185 250.230 0.918 -0.919 44.170677 5.167142 251.918 0.839 -0.769 44.165430 5.478061 253.571 0.883 -0.814 30.261867 4.414155 255.362 0.795 -0.908 38.050355 4.992820 256.828 0.779 -0.671 46.188375 5.958969 258.650 1.056 -1.043 40.083129 4.567910 260.320 0.669 -0.614 47.954822 6.461459 261.893 0.977 -0.904 42.425987 4.965600 263.578 0.657 -0.709 35.421595 5.396211 265.171 0.900 -0.936 26.786562 3.993112 267.320 1.281 -1.249 19.130761 2.914426 270.122 1.600 -1.521 16.067393 2.395190 272.794 1.079 -1.072 23.158387 3.528004 275.010 1.147 -1.137 26.097912 3.584831 277.468 1.271 -1.311 19.295902 2.939584 280.032 1.342 -1.293 18.738441 2.854659 282.868 1.493 -1.495 16.464049 2.454320 285.963 1.753 -1.602 14.190592 2.209702 288.973 1.336 -1.257 18.972673 2.828284 292.289 2.083 -1.980 12.101562 1.803998 296.239 2.325 -1.867 11.731385 1.748815 300.787 2.094 -2.223 11.388226 1.697659 306.200 2.882 -3.318 7.931027 1.182290 311.222 2.399 -2.140 10.662443 1.624342 316.021 2.490 -2.401 9.894323 1.507325 322.017 3.976 -3.505 6.468421 0.985415 329.407 3.336 -3.414 7.169251 1.092181 336.468 4.044 -3.725 6.087934 0.938395 343.578 2.036 -3.066 9.177318 1.461004 346.381 0.845 -0.767 30.507771 4.547838 348.205 0.923 -0.978 25.856079 3.854403 350.192 1.182 -1.063 21.901738 3.264924 352.438 1.291 -1.065 20.876239 3.112051 354.951 1.371 -1.222 18.970864 2.828014 357.424 1.038 -1.102 22.756142 3.501416 359.784 1.364 -1.322 18.305571 2.728838 362.318 1.029 -1.170 22.363274 3.333726 364.242 0.996 -0.895 26.003099 3.876320 365.945 0.757 -0.707 33.585034 5.006570 367.499 0.820 -0.797 30.406701 4.532771 369.068 0.648 -0.748 35.210271 5.248846 370.473 0.688 -0.757 32.955750 5.131736 371.923 0.860 -0.762 30.498271 4.593223 373.587 0.741 -0.803 31.842959 4.746876 375.209 0.777 -0.881 29.656302 4.420908 377.005 0.993 -1.019 24.438726 3.643117 379.076 1.180 -1.078 21.780723 3.246884 381.375 1.256 -1.119 20.374602 3.103916 383.590 0.927 -0.959 25.660454 3.909175 385.669 1.148 -1.152 20.356179 3.240649 387.930 0.953 -1.113 23.805883 3.548778 390.092 1.322 -1.210 19.113572 2.911808 392.711 1.305 -1.296 18.904552 2.818129 395.263 1.321 -1.248 18.835504 2.869446 398.677 1.836 -2.092 12.746731 1.900174 403.049 2.873 -2.536 9.359347 1.395211 410.506 5.638 -4.585 4.777033 0.727745 420.444 4.161 -4.300 5.811265 0.866294 428.182 4.046 -3.576 6.348902 0.967207 436.857 5.629 -4.630 4.641197 0.722708 451.652 12.972 -9.166 1.339518 0.279464 NO NO NO NO NO ! WT -- soft data !Time Err (pos) Err(neg) Rate Error 132.005 0.684 -0.723 35.001183 5.217676 133.419 0.738 -0.730 33.558711 5.002645 134.668 0.560 -0.511 45.991156 6.855967 136.138 0.931 -0.910 25.898270 4.032773 137.834 0.692 -0.765 33.804561 5.039294 139.327 0.847 -0.801 44.040189 5.459270 140.698 0.613 -0.524 43.326963 6.458813 141.967 0.609 -0.656 44.952531 6.233806 143.062 0.586 -0.487 45.850844 6.835052 144.346 0.644 -0.697 37.483202 5.526606 145.680 0.712 -0.690 37.425440 5.401907 146.982 0.573 -0.590 41.601815 6.337720 148.578 0.979 -1.023 35.107565 4.420405 150.539 0.859 -0.982 38.585183 4.785915 152.138 0.660 -0.740 35.129541 5.236812 153.563 0.734 -0.764 38.141554 5.336536 155.387 1.002 -1.090 34.621271 4.291693 156.999 0.636 -0.611 39.431514 5.878114 158.478 0.909 -0.842 28.090487 4.187491 160.158 0.732 -0.772 32.711307 4.876323 161.729 1.083 -0.839 25.594023 3.815339 163.812 1.084 -1.001 23.581968 3.515399 166.406 1.458 -1.509 26.879101 3.145971 169.263 1.449 -1.399 19.948032 2.766301 172.296 1.436 -1.583 22.800622 2.872617 175.127 1.277 -1.395 23.349452 3.200833 177.582 0.987 -1.178 22.999825 3.503849 179.374 0.705 -0.805 32.969349 5.022631 180.791 0.728 -0.712 35.939885 5.299058 182.232 0.659 -0.713 45.322571 6.162964 183.940 0.997 -1.049 25.281690 3.727589 185.699 0.693 -0.762 33.104170 5.270096 187.224 1.050 -0.832 26.878049 4.006751 189.041 0.967 -0.767 29.165817 4.347792 191.716 1.872 -1.707 26.068671 2.861419 194.729 1.147 -1.141 26.762657 3.608685 196.866 1.142 -0.990 29.363104 3.920985 198.931 0.934 -0.923 32.350715 4.362180 200.854 0.926 -0.989 25.681861 3.828433 202.612 0.774 -0.832 31.281814 4.612261 204.289 1.015 -0.903 25.634038 3.821304 206.495 1.083 -1.191 24.298566 3.499039 208.685 1.335 -1.107 21.148701 3.115291 211.573 1.461 -1.553 23.925935 2.945087 214.626 1.527 -1.592 21.719663 2.758407 217.986 1.971 -1.833 14.649444 2.051337 221.205 1.303 -1.248 20.249799 2.982879 223.735 1.541 -1.227 17.760762 2.647623 226.346 1.213 -1.070 21.540741 3.211110 228.626 1.066 -1.067 27.297055 3.782415 230.920 1.322 -1.228 21.431880 3.030931 233.848 1.541 -1.606 15.625058 2.329250 237.064 1.337 -1.676 16.326430 2.433805 239.771 1.516 -1.370 16.769847 2.554759 242.758 1.278 -1.471 17.605509 2.682066 244.979 0.825 -0.944 27.807478 4.145301 246.783 1.017 -0.979 25.182310 3.712936 248.448 0.862 -0.648 32.557209 4.853351 250.230 0.918 -0.919 26.332096 4.011495 251.918 0.839 -0.769 29.603001 4.609659 253.571 0.883 -0.814 28.974128 4.319216 255.362 0.795 -0.908 28.422870 4.330008 256.828 0.779 -0.671 33.915517 5.055836 258.650 1.056 -1.043 23.424972 3.491995 260.320 0.669 -0.614 38.340716 5.715506 261.893 0.977 -0.904 25.320702 3.942837 263.578 0.657 -0.709 37.594093 5.483672 265.171 0.900 -0.936 30.358104 4.250993 267.320 1.281 -1.249 21.290772 3.070344 270.122 1.600 -1.521 27.047369 3.102555 272.794 1.079 -1.072 28.762368 3.878325 275.010 1.147 -1.137 21.453419 3.340639 277.468 1.271 -1.311 25.272413 3.318438 280.032 1.342 -1.293 23.972313 3.255820 282.868 1.493 -1.495 24.147271 2.972331 285.963 1.753 -1.602 32.012272 3.249188 288.973 1.336 -1.257 21.200466 3.026036 292.289 2.083 -1.980 24.086994 2.579798 296.239 2.325 -1.867 24.244862 2.514084 300.787 2.094 -2.223 23.245113 2.473624 306.200 2.882 -3.318 22.911856 2.009513 311.222 2.399 -2.140 21.188152 2.258672 316.021 2.490 -2.401 21.672622 2.200530 322.017 3.976 -3.505 18.299806 1.642934 329.407 3.336 -3.414 15.703597 1.594465 336.468 4.044 -3.725 20.333629 1.705461 343.578 2.036 -3.066 20.345553 2.087417 346.381 0.845 -0.767 31.863671 4.647803 348.205 0.923 -0.978 42.270610 5.009921 350.192 1.182 -1.063 48.808729 4.903746 352.438 1.291 -1.065 33.401983 3.936472 354.951 1.371 -1.222 35.953443 3.921160 357.424 1.038 -1.102 34.209856 4.179410 359.784 1.364 -1.322 26.441381 3.279658 362.318 1.029 -1.170 36.775162 4.275038 364.242 0.996 -0.895 31.781566 4.285435 365.945 0.757 -0.707 35.077373 5.116570 367.499 0.820 -0.797 37.839450 5.056520 369.068 0.648 -0.748 41.469875 5.696337 370.473 0.688 -0.757 37.064712 5.294969 371.923 0.860 -0.762 42.138833 5.430923 373.587 0.741 -0.803 47.410627 5.792145 375.209 0.777 -0.881 44.813967 5.434506 377.005 0.993 -1.019 34.214212 4.310596 379.076 1.180 -1.078 41.625382 4.488595 381.375 1.256 -1.119 32.206298 3.849399 383.590 0.927 -0.959 34.187708 4.450871 385.669 1.148 -1.152 36.102747 4.141282 387.930 0.953 -1.113 32.270334 4.131803 390.092 1.322 -1.210 31.939435 3.712895 392.711 1.305 -1.296 38.229205 4.007524 395.263 1.321 -1.248 29.164313 3.584586 398.677 1.836 -2.092 27.057404 2.789718 403.049 2.873 -2.536 26.206170 2.334643 410.506 5.638 -4.585 19.168179 1.448393 420.444 4.161 -4.300 18.540337 1.560547 428.182 4.046 -3.576 21.075019 1.738248 436.857 5.629 -4.630 17.957181 1.393145 451.652 12.972 -9.166 9.618550 0.695553 NO NO NO NO NO ! WT -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 132.005 0.684 -0.723 1.444444 0.280114 133.419 0.738 -0.730 1.400000 0.273252 134.668 0.560 -0.511 1.006310 0.213244 136.138 0.931 -0.910 2.164069 0.404813 137.834 0.692 -0.765 1.803018 0.338727 139.327 0.847 -0.801 1.750047 0.271042 140.698 0.613 -0.524 1.317421 0.261633 141.967 0.609 -0.656 1.434182 0.260861 143.062 0.586 -0.487 1.266667 0.252592 144.346 0.644 -0.697 1.577563 0.299263 145.680 0.712 -0.690 1.589249 0.293703 146.982 0.573 -0.590 1.270979 0.258491 148.578 0.979 -1.023 2.224505 0.336234 150.539 0.859 -0.982 1.419753 0.230530 152.138 0.660 -0.740 1.085561 0.228321 153.563 0.734 -0.764 1.377096 0.251917 155.387 1.002 -1.090 1.900913 0.290179 156.999 0.636 -0.611 1.400000 0.273252 158.478 0.909 -0.842 2.066667 0.375286 160.158 0.732 -0.772 1.279287 0.256925 161.729 1.083 -0.839 1.355556 0.266378 163.812 1.084 -1.001 1.022222 0.214329 166.406 1.458 -1.509 0.616438 0.116832 169.263 1.449 -1.399 0.851614 0.175439 172.296 1.436 -1.583 0.702920 0.138960 175.127 1.277 -1.395 0.810519 0.164146 177.582 0.987 -1.178 1.632283 0.315152 179.374 0.705 -0.805 1.287148 0.259838 180.791 0.728 -0.712 0.962695 0.204099 182.232 0.659 -0.713 0.813979 0.164240 183.940 0.997 -1.049 1.695666 0.315228 185.699 0.693 -0.762 1.150101 0.247045 187.224 1.050 -0.832 1.139643 0.234081 189.041 0.967 -0.767 1.000000 0.210819 191.716 1.872 -1.707 0.542169 0.100368 194.729 1.147 -1.141 0.818983 0.164622 196.866 1.142 -0.990 0.785560 0.157217 198.931 0.934 -0.923 0.792144 0.163169 200.854 0.926 -0.989 1.600000 0.304047 202.612 0.774 -0.832 0.984434 0.207483 204.289 1.015 -0.903 1.145953 0.236351 206.495 1.083 -1.191 0.889892 0.184443 208.685 1.335 -1.107 0.921410 0.197504 211.573 1.461 -1.553 0.681818 0.131811 214.626 1.527 -1.592 0.725806 0.142138 217.986 1.971 -1.833 0.882355 0.180463 221.205 1.303 -1.248 0.951697 0.199450 223.735 1.541 -1.227 1.488889 0.286964 226.346 1.213 -1.070 0.999988 0.210816 228.626 1.066 -1.067 0.831094 0.171149 230.920 1.322 -1.228 0.900000 0.184932 233.848 1.541 -1.606 1.552263 0.299767 237.064 1.337 -1.676 1.384089 0.271911 239.771 1.516 -1.370 1.767773 0.336261 242.758 1.278 -1.471 1.964594 0.365976 244.979 0.825 -0.944 1.844444 0.341449 246.783 1.017 -0.979 2.353999 0.414991 248.448 0.862 -0.648 1.917424 0.353435 250.230 0.918 -0.919 1.677446 0.322195 251.918 0.839 -0.769 1.491924 0.297009 253.571 0.883 -0.814 1.044444 0.217833 255.362 0.795 -0.908 1.338723 0.269166 256.828 0.779 -0.671 1.361866 0.268488 258.650 1.056 -1.043 1.711128 0.321078 260.320 0.669 -0.614 1.250754 0.251327 261.893 0.977 -0.904 1.675545 0.326392 263.578 0.657 -0.709 0.942212 0.198726 265.171 0.900 -0.936 0.882353 0.180462 267.320 1.281 -1.249 0.898547 0.188491 270.122 1.600 -1.521 0.594046 0.111738 272.794 1.079 -1.072 0.805163 0.163806 275.010 1.147 -1.137 1.216492 0.252595 277.468 1.271 -1.311 0.763516 0.153559 280.032 1.342 -1.293 0.781670 0.159533 282.868 1.493 -1.495 0.681818 0.131811 285.963 1.753 -1.602 0.443286 0.082395 288.973 1.336 -1.257 0.894918 0.184699 292.289 2.083 -1.980 0.502411 0.092221 296.239 2.325 -1.867 0.483871 0.087866 300.787 2.094 -2.223 0.489919 0.089732 306.200 2.882 -3.318 0.346154 0.059870 311.222 2.399 -2.140 0.503227 0.093567 316.021 2.490 -2.401 0.456536 0.083581 322.017 3.976 -3.505 0.353469 0.062503 329.407 3.336 -3.414 0.456536 0.083581 336.468 4.044 -3.725 0.299402 0.052540 343.578 2.036 -3.066 0.451072 0.085430 346.381 0.845 -0.767 0.957447 0.199689 348.205 0.923 -0.978 0.611680 0.116491 350.192 1.182 -1.063 0.448726 0.080666 352.438 1.291 -1.065 0.625000 0.118768 354.951 1.371 -1.222 0.527651 0.097461 357.424 1.038 -1.102 0.665193 0.130690 359.784 1.364 -1.322 0.692308 0.134256 362.318 1.029 -1.170 0.608108 0.114956 364.242 0.996 -0.895 0.818182 0.164461 365.945 0.757 -0.707 0.957456 0.199691 367.499 0.820 -0.797 0.803571 0.160874 369.068 0.648 -0.748 0.849057 0.172110 370.473 0.688 -0.757 0.889141 0.187892 371.923 0.860 -0.762 0.723757 0.143466 373.587 0.741 -0.803 0.671642 0.129450 375.209 0.777 -0.881 0.661765 0.127169 377.005 0.993 -1.019 0.714286 0.139414 379.076 1.180 -1.078 0.523256 0.096271 381.375 1.256 -1.119 0.632628 0.122498 383.590 0.927 -0.959 0.750575 0.150410 385.669 1.148 -1.152 0.563840 0.110636 387.930 0.953 -1.113 0.737702 0.144965 390.092 1.322 -1.210 0.598432 0.114677 392.711 1.305 -1.296 0.494505 0.090118 395.263 1.321 -1.248 0.645841 0.126418 398.677 1.836 -2.092 0.471100 0.085388 403.049 2.873 -2.536 0.357143 0.062022 410.506 5.638 -4.585 0.249217 0.042380 420.444 4.161 -4.300 0.313439 0.053658 428.182 4.046 -3.576 0.301252 0.052188 436.857 5.629 -4.630 0.258459 0.044965 451.652 12.972 -9.166 0.139264 0.030750 NO NO NO NO NO ! PC -- hard data !Time Err (pos) Err(neg) Rate Error 548.707 86.574 -76.401 0.423535 0.095397 819.724 349.615 -184.442 0.094861 0.021506 1494.109 367.247 -324.770 0.038474 0.008429 6817.415 821.910 -898.098 0.016732 0.003721 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 548.707 86.574 -76.401 1.833742 0.198167 819.724 349.615 -184.442 0.346031 0.044218 1494.109 367.247 -324.770 0.063592 0.010742 6817.415 821.910 -898.098 0.028203 0.004815 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 548.707 86.574 -76.401 0.230968 0.057701 819.724 349.615 -184.442 0.274140 0.071343 1494.109 367.247 -324.770 0.605014 0.167369 6817.415 821.910 -898.098 0.593280 0.166325