! Swift/XRT hardness ratio of trigger: 879909, name: GRB 181228A ! T0 for this burst is Swift MET=567658419.776 s, = 2018 Dec 28 at 02:53:17.622 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 77.1571836087283 3.8210953858319 -3.94912765246761 9.12623223946981 1.09867569618619 NO NO NO NO NO ! WTST -- soft data !Time Err (pos) Err(neg) Rate Error 77.1571836087283 3.8210953858319 -3.94912765246761 7.09411296539353 0.965389963923324 NO NO NO NO NO ! WTST -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 77.1571836087283 3.8210953858319 -3.94912765246761 1.27777777777778 0.232159500852981 NO NO NO NO NO ! WT -- hard data !Time Err (pos) Err(neg) Rate Error 93.252 3.386 -4.466 13.564716 1.398570 100.008 3.548 -3.371 13.580048 1.489003 106.450 3.092 -2.893 13.940581 1.588680 112.549 3.181 -3.007 11.487319 1.435917 119.247 4.304 -3.517 9.472859 1.157296 127.055 3.368 -3.505 6.748130 1.074284 133.470 4.138 -3.047 6.067258 0.970402 141.819 4.698 -4.211 3.557850 0.671118 150.118 4.386 -3.601 4.607788 0.790230 159.634 5.503 -5.130 3.346995 0.615842 172.511 6.279 -7.374 2.266913 0.441993 187.140 11.442 -8.349 2.518138 0.371280 253.000 2.276 -2.503 27.497122 2.509434 257.145 1.799 -1.869 24.900149 2.731954 260.874 1.805 -1.930 28.544238 2.897185 264.678 2.205 -1.999 31.988957 2.872702 268.406 1.731 -1.523 25.330165 2.905575 272.384 1.861 -2.247 30.057569 2.862229 275.872 1.770 -1.627 23.720591 2.774862 279.977 2.167 -2.336 28.638219 2.625269 283.852 1.703 -1.708 34.625197 3.316501 286.958 1.299 -1.403 32.586053 3.641567 289.697 1.661 -1.440 32.258170 3.380258 292.925 1.711 -1.567 38.152949 3.572294 295.887 1.412 -1.251 33.215783 3.732772 298.915 1.768 -1.616 30.447360 3.123840 302.027 1.310 -1.344 27.577859 3.415457 304.875 1.446 -1.538 35.169408 3.641025 307.767 1.388 -1.446 52.206073 4.507347 310.366 1.043 -1.211 34.033542 4.228873 312.412 0.945 -1.003 65.259543 6.112134 314.186 0.813 -0.829 52.972365 5.997951 316.087 0.971 -1.088 54.718888 5.444747 318.764 1.396 -1.707 67.003770 4.987655 321.346 1.064 -1.185 71.464305 5.954026 323.264 0.887 -0.855 58.264111 6.101947 325.174 0.929 -1.023 65.016893 6.010831 327.124 0.913 -1.021 52.634044 5.538755 329.075 0.921 -1.038 55.682942 5.619997 330.665 0.717 -0.669 57.347812 6.754979 332.010 0.781 -0.628 44.636889 5.861119 333.582 0.723 -0.791 52.237525 6.113951 335.111 0.992 -0.806 45.175107 5.216382 336.887 0.734 -0.783 48.545045 5.886961 338.650 0.966 -1.029 48.501696 5.168200 340.614 0.874 -0.998 52.261190 5.537458 342.224 0.793 -0.737 36.314523 5.131351 344.044 0.927 -1.026 44.464423 5.034614 345.983 1.182 -1.012 44.229072 4.741864 348.026 0.910 -0.862 32.905127 4.603883 349.824 0.878 -0.887 44.232813 5.286841 351.652 0.864 -0.951 35.028632 4.639662 353.567 1.317 -1.051 26.976714 3.602316 355.856 1.101 -0.972 31.354870 4.150129 358.092 1.051 -1.136 34.311648 4.221010 360.196 0.915 -1.053 25.094378 3.822935 362.130 1.080 -1.019 23.900405 3.562866 364.246 1.225 -1.036 21.241401 3.307623 366.646 1.153 -1.174 25.144450 3.421731 368.666 0.981 -0.867 28.723654 4.103384 370.737 1.079 -1.090 30.619781 3.950392 372.816 1.089 -1.000 23.345290 3.480114 375.049 1.268 -1.144 20.210672 3.012832 377.565 1.337 -1.248 24.726695 3.219146 380.825 1.771 -1.923 17.682748 2.300547 384.196 1.479 -1.600 15.830423 2.359863 387.141 1.548 -1.466 15.661898 2.438806 391.049 1.941 -2.359 11.157380 1.699741 395.454 2.473 -2.464 9.717871 1.480443 399.935 2.206 -2.009 10.538891 1.645900 405.393 3.580 -3.252 7.024641 1.070150 411.713 2.745 -2.740 5.790214 1.092209 417.591 2.838 -3.132 7.317334 1.170340 423.878 3.509 -3.449 7.346977 1.124533 431.616 4.587 -4.228 5.531205 0.824544 441.429 4.935 -5.226 5.361760 0.765307 451.054 4.357 -4.690 5.870609 0.847350 459.821 4.855 -4.411 5.895333 0.857860 469.266 4.229 -4.590 4.054610 0.705818 479.030 5.870 -5.534 2.852176 0.520734 490.166 5.730 -5.266 3.350183 0.574552 501.598 5.608 -5.702 2.805202 0.529146 512.361 6.303 -5.155 2.931308 0.526479 526.085 6.164 -7.421 2.392465 0.436803 NO NO NO NO NO ! WT -- soft data !Time Err (pos) Err(neg) Rate Error 93.252 3.386 -4.466 6.304306 0.960413 100.008 3.548 -3.371 6.885103 1.072120 106.450 3.092 -2.893 8.147093 1.214498 112.549 3.181 -3.007 7.965185 1.213435 119.247 4.304 -3.517 6.361367 0.948298 127.055 3.368 -3.505 7.086412 1.056381 133.470 4.138 -3.047 5.572664 0.916141 141.819 4.698 -4.211 3.887834 0.687279 150.118 4.386 -3.601 4.066418 0.742424 159.634 5.503 -5.130 2.910545 0.567486 172.511 6.279 -7.374 2.459908 0.441813 187.140 11.442 -8.349 2.533685 0.377336 253.000 2.276 -2.503 10.202261 1.520865 257.145 1.799 -1.869 13.294462 1.981824 260.874 1.805 -1.930 13.069181 1.948241 264.678 2.205 -1.999 11.608896 1.730554 268.406 1.731 -1.523 14.759486 2.248494 272.384 1.861 -2.247 11.880269 1.771008 275.872 1.770 -1.627 13.912243 2.166357 279.977 2.167 -2.336 10.831924 1.614730 283.852 1.703 -1.708 14.294806 2.130946 286.958 1.299 -1.403 17.753064 2.704543 289.697 1.661 -1.440 15.728695 2.344698 292.925 1.711 -1.567 14.892643 2.220067 295.887 1.412 -1.251 18.324736 2.731693 298.915 1.768 -1.616 14.192590 2.162132 302.027 1.310 -1.344 18.074508 2.753512 304.875 1.446 -1.538 15.820630 2.463523 307.767 1.388 -1.446 17.202236 2.564361 310.366 1.043 -1.211 21.698724 3.234658 312.412 0.945 -1.003 25.922894 3.904142 314.186 0.813 -0.829 31.919246 4.655906 316.087 0.971 -1.088 28.172101 3.906773 318.764 1.396 -1.707 20.589238 2.749369 321.346 1.064 -1.185 26.888013 3.720972 323.264 0.887 -0.855 28.021201 4.177159 325.174 0.929 -1.023 28.498488 4.026922 327.124 0.913 -1.021 25.236923 3.762103 329.075 0.921 -1.038 24.519361 3.735336 330.665 0.717 -0.669 35.214416 5.249461 332.010 0.781 -0.628 34.633871 5.162918 333.582 0.723 -0.791 32.201214 4.800279 335.111 0.992 -0.806 27.105064 4.040589 336.887 0.734 -0.783 31.614212 4.816182 338.650 0.966 -1.029 24.056358 3.664801 340.614 0.874 -0.998 26.048412 3.883072 342.224 0.793 -0.737 31.864813 4.750131 344.044 0.927 -1.026 25.608718 3.817527 345.983 1.182 -1.012 22.877106 3.410321 348.026 0.910 -0.862 28.320942 4.221841 349.824 0.878 -0.887 28.435379 4.238901 351.652 0.864 -0.951 27.654183 4.122447 353.567 1.317 -1.051 20.854548 3.177030 355.856 1.101 -0.972 24.208537 3.608800 358.092 1.051 -1.136 22.582730 3.440305 360.196 0.915 -1.053 25.500141 3.801341 362.130 1.080 -1.019 26.024885 3.717845 364.246 1.225 -1.036 22.645026 3.372468 366.646 1.153 -1.174 20.620288 3.141342 368.666 0.981 -0.867 26.378866 3.932334 370.737 1.079 -1.090 22.483703 3.351676 372.816 1.089 -1.000 24.382858 3.556610 375.049 1.268 -1.144 22.006981 3.143858 377.565 1.337 -1.248 18.559250 2.827359 380.825 1.771 -1.923 12.779524 1.989975 384.196 1.479 -1.600 19.348295 2.608927 387.141 1.548 -1.466 16.536208 2.438134 391.049 1.941 -2.359 17.636562 2.107976 395.454 2.473 -2.464 13.605575 1.727912 399.935 2.206 -2.009 11.567076 1.724320 405.393 3.580 -3.252 9.085327 1.213203 411.713 2.745 -2.740 9.151564 1.362920 417.591 2.838 -3.132 8.640417 1.284744 423.878 3.509 -3.449 6.123122 0.992097 431.616 4.587 -4.228 7.445339 0.975889 441.429 4.935 -5.226 4.721980 0.719357 451.054 4.357 -4.690 4.860142 0.768457 459.821 4.855 -4.411 3.320001 0.669426 469.266 4.229 -4.590 4.090108 0.721921 479.030 5.870 -5.534 4.183659 0.630711 490.166 5.730 -5.266 2.885444 0.544282 501.598 5.608 -5.702 3.530157 0.609912 512.361 6.303 -5.155 2.836750 0.517918 526.085 6.164 -7.421 3.827945 0.552517 NO NO NO NO NO ! WT -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 93.252 3.386 -4.466 2.151659 0.395802 100.008 3.548 -3.371 1.972381 0.375632 106.450 3.092 -2.893 1.711111 0.321075 112.549 3.181 -3.007 1.442191 0.284200 119.247 4.304 -3.517 1.489123 0.287009 127.055 3.368 -3.505 0.952263 0.207685 133.470 4.138 -3.047 1.088754 0.249721 141.819 4.698 -4.211 0.915124 0.236576 150.118 4.386 -3.601 1.133132 0.283838 159.634 5.503 -5.130 1.149955 0.308289 172.511 6.279 -7.374 0.921544 0.244294 187.140 11.442 -8.349 0.993864 0.208281 253.000 2.276 -2.503 2.695199 0.471089 257.145 1.799 -1.869 1.872972 0.346676 260.874 1.805 -1.930 2.184088 0.393888 264.678 2.205 -1.999 2.755556 0.479552 268.406 1.731 -1.523 1.716196 0.327276 272.384 1.861 -2.247 2.530041 0.447538 275.872 1.770 -1.627 1.705016 0.332071 279.977 2.167 -2.336 2.643872 0.462682 283.852 1.703 -1.708 2.422222 0.429195 286.958 1.299 -1.403 1.835517 0.346795 289.697 1.661 -1.440 2.050912 0.373709 292.925 1.711 -1.567 2.561866 0.450982 295.887 1.412 -1.251 1.812620 0.338389 298.915 1.768 -1.616 2.145300 0.394026 302.027 1.310 -1.344 1.525788 0.299561 304.875 1.446 -1.538 2.223009 0.415681 307.767 1.388 -1.446 3.034842 0.522807 310.366 1.043 -1.211 1.568458 0.304385 312.412 0.945 -1.003 2.517448 0.446477 314.186 0.813 -0.829 1.659574 0.306447 316.087 0.971 -1.088 1.942308 0.331514 318.764 1.396 -1.707 3.254310 0.497520 321.346 1.064 -1.185 2.657850 0.429326 323.264 0.887 -0.855 2.079287 0.378809 325.174 0.929 -1.023 2.281416 0.385238 327.124 0.913 -1.021 2.085597 0.380562 329.075 0.921 -1.038 2.270979 0.415003 330.665 0.717 -0.669 1.628532 0.309406 332.010 0.781 -0.628 1.288822 0.256030 333.582 0.723 -0.791 1.622222 0.307456 335.111 0.992 -0.806 1.666667 0.314270 336.887 0.734 -0.783 1.535545 0.298994 338.650 0.966 -1.029 2.016170 0.374826 340.614 0.874 -0.998 2.006310 0.366936 342.224 0.793 -0.737 1.139643 0.234081 344.044 0.927 -1.026 1.736300 0.325030 345.983 1.182 -1.012 1.933333 0.355000 348.026 0.910 -0.862 1.161866 0.237538 349.824 0.878 -0.887 1.555556 0.297221 351.652 0.864 -0.951 1.266667 0.252592 353.567 1.317 -1.051 1.293565 0.262053 355.856 1.101 -0.972 1.295199 0.258201 358.092 1.051 -1.136 1.519376 0.297510 360.196 0.915 -1.053 0.984088 0.209752 362.130 1.080 -1.019 0.918367 0.189616 364.246 1.225 -1.036 0.938016 0.202113 366.646 1.153 -1.174 1.219403 0.249089 368.666 0.981 -0.867 1.088889 0.224824 370.737 1.079 -1.090 1.361866 0.268488 372.816 1.089 -1.000 0.957447 0.199689 375.049 1.268 -1.144 0.918376 0.189618 377.565 1.337 -1.248 1.332311 0.266986 380.825 1.771 -1.923 1.383678 0.280766 384.196 1.479 -1.600 0.818182 0.164461 387.141 1.548 -1.466 0.947127 0.203106 391.049 1.941 -2.359 0.632628 0.122498 395.454 2.473 -2.464 0.714257 0.141663 399.935 2.206 -2.009 0.911111 0.196708 405.393 3.580 -3.252 0.773185 0.156633 411.713 2.745 -2.740 0.632702 0.152060 417.591 2.838 -3.132 0.846873 0.184940 423.878 3.509 -3.449 1.199874 0.267439 431.616 4.587 -4.228 0.742908 0.147468 441.429 4.935 -5.226 1.135490 0.237046 451.054 4.357 -4.690 1.207909 0.258598 459.821 4.855 -4.411 1.775702 0.441543 469.266 4.229 -4.590 0.991321 0.245753 479.030 5.870 -5.534 0.681742 0.161417 490.166 5.730 -5.266 1.161063 0.295998 501.598 5.608 -5.702 0.794639 0.203265 512.361 6.303 -5.155 1.033333 0.264645 526.085 6.164 -7.421 0.625000 0.145461 NO NO NO NO NO ! PC -- hard data !Time Err (pos) Err(neg) Rate Error 245.957 304.246 -45.673 4.500424 0.950247 573.436 26.914 -23.232 2.463864 0.497513 648.141 52.502 -47.791 2.177681 0.330309 729.572 26.233 -28.929 2.530697 0.482360 791.094 39.931 -35.289 1.717898 0.338848 876.615 64.732 -45.590 1.843786 0.289211 1003.207 43.448 -61.860 1.561533 0.273804 1084.012 57.921 -37.357 1.045390 0.234805 1282.924 132.298 -140.990 0.969521 0.133929 13263.591 315.499 -389.052 0.067146 0.011473 40667.339 13460.794 -22022.770 0.014340 0.002365 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 245.957 304.246 -45.673 3.833747 0.861744 573.436 26.914 -23.232 1.980851 0.444919 648.141 52.502 -47.791 1.039486 0.228128 729.572 26.233 -28.929 1.809504 0.407041 791.094 39.931 -35.289 1.319454 0.297251 876.615 64.732 -45.590 0.894756 0.202180 1003.207 43.448 -61.860 0.941957 0.212526 1084.012 57.921 -37.357 1.044278 0.234205 1282.924 132.298 -140.990 0.569600 0.103089 13263.591 315.499 -389.052 0.040460 0.008932 40667.339 13460.794 -22022.770 0.009965 0.001962 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 245.957 304.246 -45.673 1.173897 0.362025 573.436 26.914 -23.232 1.243841 0.375679 648.141 52.502 -47.791 2.094960 0.558889 729.572 26.233 -28.929 1.398559 0.412351 791.094 39.931 -35.289 1.301976 0.389851 876.615 64.732 -45.590 2.060657 0.566822 1003.207 43.448 -61.860 1.657754 0.473696 1084.012 57.921 -37.357 1.001064 0.317747 1282.924 132.298 -140.990 1.702109 0.387536 13263.591 315.499 -389.052 1.659550 0.463288 40667.339 13460.794 -22022.770 1.438994 0.369595