! Swift/XRT lightcurve of trigger: 668641, name: GRB 151228B ! T0 for this burst is Swift MET=473035650.56 s, = 2015 Dec 28 at 22:47:14.941 UT ! Data covers 0.3-10 keV ! The data are in 5 columns: "; ! time, time error (+ve), time error (-ve), source flux, source error ! For a detailed description of light curve production, see Evans et al. 2007 (A&A, 469, 379 ) ! For a detailed description of the file, see ! http://www.swift.ac.uk/xrt_curves/docs.php ! This lightcurve was obtained from http://www.swift.ac.uk/xrt_curves/00668641 ! BINMODE: GRB-like (counts) READ TERR 1 2 ! WTSLEW data !Time T_+ve T_-ve Flux Fluxpos Fluxneg 40.7443207016962 0.352532273298458 -0.362665681085446 7.29610663455422e-09 9.21980770358821e-10 -1.24794898607369e-09 41.3566532444474 0.229461774977032 -0.259800269452668 1.00758772852414e-08 2.10927493991537e-09 -2.74805788517633e-09 42.0213876902373 0.400920294694636 -0.435272670812864 6.44252805538781e-09 1.82219494846254e-09 -1.85998265956678e-09 42.84842641648 0.314000608464326 -0.426118431548069 8.09763842840691e-09 1.67960147597214e-09 -1.26833379074851e-09 43.5468467967275 0.416190174467701 -0.3844197717832 8.01401512689834e-09 1.26215632137426e-09 -1.13320474359839e-09 44.3524222492785 0.356071775101242 -0.38938527808326 8.30165144130487e-09 1.39144183060802e-09 -1.21716971113975e-09 45.0884060265569 0.383335964589172 -0.379912002177228 7.65249181697147e-09 1.5547007979292e-09 -1.63036119626696e-09 45.9915275756575 0.480072437224692 -0.519785584511403 5.51893528885092e-09 1.44454299806605e-09 -1.66763205119331e-09 46.9063326053995 0.49752839762558 -0.434732592517321 5.40862013246647e-09 7.42992968707541e-10 -1.93636700444762e-09 48.0697128767281 0.655161142894741 -0.665851873702962 6.91177722344924e-09 1.0149972847964e-09 -1.89606036858564e-09 NO NO NO NO NO ! WT data !Time T_+ve T_-ve Flux Fluxpos Fluxneg 56.2350 0.3230 -0.4011 5.6725974e-09 7.0233766e-10 -7.1570986e-10 57.0144 0.3905 -0.4565 4.7538766e-09 6.0403958e-10 -6.1464996e-10 57.7879 0.4283 -0.3830 5.0630386e-09 6.2665128e-10 -6.3816096e-10 58.6323 0.2831 -0.4161 5.8746696e-09 7.2710462e-10 -7.4044282e-10 59.2941 0.4060 -0.3786 5.183623e-09 6.500494e-10 -6.6181884e-10 60.0536 0.3812 -0.3536 5.5901814e-09 6.9247528e-10 -7.0579342e-10 60.9151 0.4199 -0.4803 4.5177398e-09 5.6652976e-10 -5.767301e-10 61.7213 0.3058 -0.3863 5.8180154e-09 7.3934904e-10 -7.5257674e-10 62.5293 0.3874 -0.5022 4.617489e-09 5.7149716e-10 -5.817536e-10 63.4526 0.3839 -0.5359 4.4657062e-09 5.5271114e-10 -5.622427e-10 64.2424 0.4641 -0.4059 3.20237432e-09 4.7743242e-10 -4.8324472e-10 65.1224 0.4131 -0.4160 4.9543882e-09 6.136473e-10 -6.244253e-10 66.095 0.501 -0.559 3.7957804e-09 4.8272826e-10 -4.907492e-10 67.1064 0.3435 -0.5105 3.2564452e-09 4.8594874e-10 -4.9175594e-10 68.007 0.614 -0.557 3.4678062e-09 4.3526052e-10 -4.4268748e-10 69.187 0.492 -0.566 3.9697618e-09 4.8774088e-10 -4.927008e-10 70.1306 0.4772 -0.4515 3.39369368e-09 4.796193e-10 -4.8351672e-10 71.127 0.664 -0.519 3.4313004e-09 4.345081e-10 -4.3943776e-10 72.309 0.569 -0.518 3.12886224e-09 4.3593168e-10 -4.4111294e-10 73.450 0.465 -0.572 2.52517932e-09 4.08527e-10 -4.1214868e-10 74.490 0.437 -0.575 4.0502534e-09 5.0440224e-10 -5.117017e-10 75.2699 0.5188 -0.3423 3.32611188e-09 4.9851412e-10 -5.0198144e-10 76.259 0.545 -0.471 3.9961764e-09 5.1768536e-10 -5.1431052e-10 77.2874 0.4886 -0.4828 2.68194958e-09 4.2729704e-10 -4.2335134e-10 78.2542 0.4042 -0.4782 2.9568644e-09 4.586787e-10 -4.5732754e-10 79.223 0.603 -0.564 2.20269102e-09 3.5635638e-10 -3.4869652e-10 80.2566 0.4407 -0.4311 3.03723326e-09 4.725949e-10 -4.6290218e-10 81.235 0.469 -0.538 3.876663e-09 4.9391562e-10 -4.923642e-10 82.0147 0.4725 -0.3104 3.38237338e-09 5.14862e-10 -5.1342516e-10 82.9447 0.4979 -0.4575 2.77140528e-09 4.3761264e-10 -4.2352032e-10 83.8588 0.4181 -0.4163 3.17323224e-09 5.0184476e-10 -4.850202e-10 84.6902 0.4389 -0.4132 3.10705498e-09 4.8861026e-10 -4.7441832e-10 85.647 0.496 -0.518 2.61095554e-09 4.090608e-10 -3.9840214e-10 86.690 0.660 -0.546 2.19505122e-09 3.5087524e-10 -3.36211176e-10 87.6925 0.4487 -0.3430 3.14638686e-09 5.2619862e-10 -5.010903e-10 88.6135 0.4386 -0.4723 2.72229738e-09 4.3468966e-10 -4.1684272e-10 89.726 0.579 -0.674 1.95106484e-09 3.18044704e-10 -3.04513418e-10 90.812 0.646 -0.507 2.15095118e-09 3.4729572e-10 -3.3009393e-10 91.9614 0.4657 -0.5039 2.48308766e-09 4.1953178e-10 -3.963856e-10 92.998 0.481 -0.570 2.3241108e-09 4.018477e-10 -3.6792828e-10 94.270 0.603 -0.792 1.77782736e-09 2.9297426e-10 -2.74160122e-10 95.575 0.469 -0.702 2.0258951e-09 3.4951286e-10 -3.2985117e-10 96.623 0.663 -0.579 1.96783636e-09 3.3651976e-10 -3.1049429e-10 97.836 0.494 -0.551 2.37447432e-09 3.8947952e-10 -3.6555508e-10 98.925 0.451 -0.595 2.40508078e-09 3.9922902e-10 -3.7672782e-10 100.059 0.732 -0.683 1.78122906e-09 2.95257564e-10 -2.78934266e-10 101.511 0.480 -0.721 2.12884744e-09 3.519595e-10 -3.28347928e-10 102.697 0.598 -0.706 1.70385254e-09 3.26361138e-10 -3.11550738e-10 103.843 0.607 -0.547 2.1497435e-09 3.7107974e-10 -3.4488988e-10 105.084 0.609 -0.633 2.02878782e-09 3.39818542e-10 -3.18469058e-10 106.392 0.620 -0.700 1.93662776e-09 3.1840099e-10 -2.98305766e-10 107.559 0.510 -0.546 2.41914454e-09 4.2861964e-10 -3.7706e-10 108.5130 0.4014 -0.4437 3.02520644e-09 5.8934512e-10 -4.753013e-10 109.4328 0.4653 -0.5185 2.53852704e-09 4.665905e-10 -4.1057686e-10 110.422 0.618 -0.524 2.18829202e-09 3.7467728e-10 -3.502918e-10 111.811 0.546 -0.771 1.8984903e-09 3.26492548e-10 -3.04231592e-10 112.978 0.480 -0.621 2.30359112e-09 3.9133898e-10 -3.6280074e-10 113.9797 0.4606 -0.5215 2.62131398e-09 4.2582994e-10 -4.0287552e-10 115.075 0.653 -0.635 1.99853632e-09 3.18669386e-10 -3.05930742e-10 116.1837 0.5445 -0.4553 2.53727482e-09 4.0934946e-10 -3.9522892e-10 117.274 0.597 -0.546 2.25383586e-09 3.5419534e-10 -3.4411196e-10 118.468 0.787 -0.597 1.83280638e-09 2.95144922e-10 -2.8540127e-10 119.915 0.579 -0.661 2.08255542e-09 3.401921e-10 -3.2517107e-10 121.062 0.544 -0.568 2.3796821e-09 3.6868342e-10 -3.624145e-10 122.496 0.782 -0.889 1.58391992e-09 2.45294258e-10 -2.41222282e-10 124.026 0.781 -0.749 1.7042738e-09 2.68987328e-10 -2.64446628e-10 125.565 0.646 -0.758 1.74799576e-09 2.9474702e-10 -2.9232826e-10 126.904 0.665 -0.693 1.92096804e-09 3.01490206e-10 -2.97767104e-10 128.225 0.791 -0.657 1.7740163e-09 2.84982934e-10 -2.80451244e-10 129.738 0.615 -0.722 1.95163162e-09 3.00709566e-10 -3.01444272e-10 131.024 0.776 -0.671 1.8243839e-09 2.85925006e-10 -2.8704619e-10 132.515 0.811 -0.716 1.7575688e-09 2.70756994e-10 -2.71457122e-10 134.002 0.724 -0.676 1.94457288e-09 2.95450514e-10 -2.95060738e-10 135.737 0.989 -1.011 1.3417505e-09 2.06694398e-10 -2.07233094e-10 137.353 0.876 -0.628 1.81112356e-09 2.78480706e-10 -2.75441548e-10 139.517 1.055 -1.288 1.14512306e-09 1.82921054e-10 -1.78069662e-10 141.648 0.883 -1.076 1.32642092e-09 2.07400612e-10 -2.02330464e-10 143.690 1.134 -1.159 1.1355915e-09 1.74418504e-10 -1.71170994e-10 146.021 1.424 -1.197 9.5800066e-10 1.55758182e-10 -1.49471004e-10 148.617 0.967 -1.172 1.17399994e-09 1.93853618e-10 -1.83706556e-10 150.767 1.004 -1.184 1.13310032e-09 1.90888988e-10 -1.80744782e-10 152.933 1.127 -1.161 1.1576966e-09 1.84472066e-10 -1.79950814e-10 155.307 1.297 -1.247 1.05647894e-09 1.63669404e-10 -1.60901192e-10 158.298 1.649 -1.694 8.0403098e-10 1.2297426e-10 -1.22160266e-10 161.405 1.669 -1.458 8.4600738e-10 1.34687532e-10 -1.31482658e-10 164.836 1.877 -1.761 7.2430948e-10 1.13356918e-10 -1.1222975e-10 168.956 2.151 -2.243 5.8198752e-10 9.4842932e-11 -9.3701178e-11 172.919 2.129 -1.812 6.6087194e-10 1.05330232e-10 -1.02720256e-10 177.445 2.777 -2.396 4.5932164e-10 8.0400276e-11 -7.8595658e-11 183.027 3.616 -2.805 3.9115742e-10 6.415137e-11 -6.3053442e-11 190.307 3.231 -3.665 3.8675748e-10 5.9323744e-11 -5.8792596e-11 197.794 2.544 -4.256 2.5458044e-10 5.0112906e-11 -4.9863006e-11 203.393 3.722 -3.054 2.60610782e-10 4.9984046e-11 -4.9621164e-11 210.252 3.430 -3.137 2.59617574e-10 5.1291278e-11 -5.0884774e-11 218.194 4.332 -4.512 1.94405336e-10 3.9364146e-11 -3.9206624e-11 228.725 4.807 -6.198 1.52177234e-10 3.10009824e-11 -3.0722145e-11 238.584 6.897 -5.052 1.38976088e-10 2.76145382e-11 -2.7266334e-11 NO NO NO NO NO ! PC data !Time T_+ve T_-ve Flux Fluxpos Fluxneg 269.302 12.448 -17.640 1.15682858e-10 2.47092688e-11 -2.47092688e-11 310.446 26.464 -28.697 6.0623632e-11 1.32676364e-11 -1.32676364e-11 409.463 72.873 -72.552 2.16374334e-11 4.8778814e-12 -4.8778814e-12 554.067 101.274 -71.732 7.8257256e-12 1.76864158e-12 -1.76864158e-12 767.921 113.079 -112.580 5.9510982e-12 1.35836834e-12 -1.35836834e-12 983.891 72.622 -102.891 7.7676298e-12 1.7557141e-12 -1.7557141e-12 1255.917 159.134 -199.403 5.240522e-12 1.01444032e-12 -1.01444032e-12 4864.699 163.065 -177.931 2.35343886e-12 6.3991774e-13 -6.3991774e-13 5260.376 198.648 -232.612 2.03482826e-12 5.3209796e-13 -5.3209796e-13 5835.668 520.963 -376.644 1.56617328e-12 3.24811928e-13 -3.24811928e-13 6711.845 155.785 -175.182 1.93076276e-12 5.0511794e-13 -5.0511794e-13 6989.696 168.777 -122.066 2.19774504e-12 5.7143596e-13 -5.7143596e-13 10695.963 361.307 -293.104 1.06114068e-12 2.80874442e-13 -2.80874442e-13 11183.654 164.466 -126.383 2.4123884e-12 6.2601684e-13 -6.2601684e-13 11540.604 263.849 -192.484 1.5145368e-12 3.9747734e-13 -3.9747734e-13 12041.941 213.831 -237.488 1.54236274e-12 4.015944e-13 -4.015944e-13 12621.944 283.201 -366.171 1.21589508e-12 2.99913558e-13 -2.99913558e-13 16826.804 1820.185 -588.396 8.3573802e-13 1.77599612e-13 -1.77599612e-13 22336.163 427.648 -337.086 9.561922e-13 2.51651204e-13 -2.51651204e-13 24451.856 4553.243 -1688.044 7.2772784e-13 1.3435049e-13 -1.3435049e-13 233590.666 312316.821 -113485.785 2.22481346e-14 1.00786234e-14 -8.0533522e-15