! Swift/XRT detailed lightcurve of trigger: 1351039, name: GRB 250920C ! T0 for this burst is Swift MET=780074753.792 s, = 2025 Sep 20 at 15:25:17.425 UT ! Data covers 0.3-10 keV ! For details of light-curve production, see Evans et al. 2007, A&A, 469, 379 ! BINMODE: GRB-like (counts) READ TERR 1 2 READ SERR 3 !Time T_+ve T_-ve Rate Ratepos Rateneg BGrate BGerr FracExp ! WT data 130.5665 0.4788 -0.5211 5.054951e+01 7.535670e+00 -7.536245e+00 0.000000e+00 0.000000e+00 1.000000 131.541 0.693 -0.495 4.192232e+01 6.368996e+00 -6.369491e+00 5.401737e-01 5.401737e-01 1.000000 132.7382 0.4936 -0.5044 5.064141e+01 7.549378e+00 -7.549968e+00 0.000000e+00 0.000000e+00 1.000000 133.851 0.573 -0.619 4.240280e+01 6.321180e+00 -6.321629e+00 0.000000e+00 0.000000e+00 1.000000 135.182 0.667 -0.758 3.445546e+01 5.335493e+00 -5.335857e+00 9.009640e-01 6.370777e-01 1.000000 136.404 0.644 -0.555 4.154912e+01 6.312251e+00 -6.312660e+00 5.353650e-01 5.353650e-01 1.000000 137.693 0.718 -0.645 3.655845e+01 5.554061e+00 -5.554432e+00 4.710596e-01 4.710596e-01 1.000000 139.106 0.547 -0.695 4.012101e+01 6.095303e+00 -6.095723e+00 5.169636e-01 5.169636e-01 1.000000 140.309 0.632 -0.656 3.923470e+01 5.848887e+00 -5.849285e+00 0.000000e+00 0.000000e+00 1.000000 141.784 0.589 -0.843 3.427312e+01 5.307242e+00 -5.307574e+00 8.964870e-01 6.339121e-01 1.000000 142.935 0.550 -0.562 4.414378e+01 6.835731e+00 -6.836166e+00 1.154675e+00 8.164787e-01 1.000000 144.116 0.536 -0.631 4.267662e+01 6.483547e+00 -6.483974e+00 5.500714e-01 5.500714e-01 1.000000 145.130 0.598 -0.478 4.426314e+01 7.124821e+00 -7.125219e+00 2.385662e+00 1.192831e+00 1.000000 146.315 0.455 -0.586 4.854703e+01 7.237136e+00 -7.237664e+00 0.000000e+00 0.000000e+00 1.000000 147.2891 0.4551 -0.5199 5.034646e+01 7.796222e+00 -7.796710e+00 1.316920e+00 9.312028e-01 1.000000 148.373 0.597 -0.629 4.063186e+01 6.172893e+00 -6.173281e+00 5.237159e-01 5.237159e-01 1.000000 149.494 0.536 -0.524 4.765156e+01 7.103637e+00 -7.104143e+00 0.000000e+00 0.000000e+00 1.000000 150.795 0.630 -0.765 3.622399e+01 5.400061e+00 -5.400414e+00 0.000000e+00 0.000000e+00 1.000000 152.085 0.564 -0.660 4.068531e+01 6.181025e+00 -6.181439e+00 5.244709e-01 5.244709e-01 1.000000 153.180 0.679 -0.531 4.116396e+01 6.253736e+00 -6.254143e+00 5.306412e-01 5.306412e-01 1.000000 154.529 0.711 -0.670 3.659356e+01 5.455153e+00 -5.455506e+00 0.000000e+00 0.000000e+00 1.000000 155.830 0.660 -0.590 4.039346e+01 6.021640e+00 -6.022070e+00 0.000000e+00 0.000000e+00 1.000000 157.354 0.642 -0.864 3.308693e+01 5.026641e+00 -5.026939e+00 4.265210e-01 4.265210e-01 1.000000 158.695 0.761 -0.700 3.409512e+01 5.179820e+00 -5.180155e+00 4.395174e-01 4.395174e-01 1.000000 159.989 0.695 -0.533 4.115449e+01 6.135104e+00 -6.135565e+00 0.000000e+00 0.000000e+00 1.000000 161.581 0.906 -0.898 2.720989e+01 4.213485e+00 -4.213738e+00 7.117031e-01 5.032501e-01 1.000000 163.381 0.781 -0.893 3.019482e+01 4.501265e+00 -4.501555e+00 0.000000e+00 0.000000e+00 1.000000 164.840 0.617 -0.678 3.847223e+01 5.844857e+00 -5.845331e+00 4.956539e-01 4.956539e-01 1.000000 166.115 0.566 -0.658 4.129815e+01 6.156560e+00 -6.157089e+00 0.000000e+00 0.000000e+00 1.000000 167.417 0.675 -0.736 3.480811e+01 5.390116e+00 -5.390506e+00 9.100660e-01 6.435138e-01 1.000000 168.940 0.862 -0.848 2.956585e+01 4.407530e+00 -4.407862e+00 0.000000e+00 0.000000e+00 1.000000 170.561 0.657 -0.759 3.518566e+01 5.345481e+00 -5.345796e+00 4.533116e-01 4.533116e-01 1.000000 171.746 0.632 -0.528 4.233550e+01 6.555727e+00 -6.556164e+00 1.106871e+00 7.826763e-01 1.000000 173.043 0.735 -0.665 3.557703e+01 5.404950e+00 -5.405291e+00 4.584976e-01 4.584976e-01 1.000000 174.543 0.960 -0.764 2.889307e+01 4.389529e+00 -4.389845e+00 3.723799e-01 3.723799e-01 1.000000 176.116 0.744 -0.614 3.722485e+01 5.549343e+00 -5.549839e+00 0.000000e+00 0.000000e+00 1.000000 177.570 0.742 -0.710 3.431052e+01 5.212576e+00 -5.212971e+00 4.422011e-01 4.422011e-01 1.000000 179.103 0.875 -0.792 2.987981e+01 4.539448e+00 -4.539794e+00 3.850972e-01 3.850972e-01 1.000000 180.954 1.115 -0.976 2.279318e+01 3.668937e+00 -3.669196e+00 1.228386e+00 6.141932e-01 1.000000 182.691 0.746 -0.622 3.535470e+01 5.581290e+00 -5.581699e+00 1.407672e+00 8.127197e-01 1.000000 184.344 0.922 -0.907 2.724338e+01 4.138920e+00 -4.139247e+00 3.510041e-01 3.510041e-01 1.000000 186.119 0.792 -0.853 3.071584e+01 4.578960e+00 -4.579302e+00 0.000000e+00 0.000000e+00 1.000000 187.780 0.866 -0.868 2.872460e+01 4.363947e+00 -4.364285e+00 3.700881e-01 3.700881e-01 1.000000 189.622 0.758 -0.975 2.917025e+01 4.348573e+00 -4.348932e+00 0.000000e+00 0.000000e+00 1.000000 191.132 0.713 -0.753 3.448087e+01 5.140256e+00 -5.140679e+00 0.000000e+00 0.000000e+00 1.000000 192.700 0.903 -0.855 2.834630e+01 4.306501e+00 -4.306873e+00 3.652141e-01 3.652141e-01 1.000000 NO NO NO NO NO ! PC data 2074.742 8.129 -11.930 4.001440e+00 8.343578e-01 -8.343578e-01 0.000000e+00 0.000000e+00 1.000000 2093.310 9.619 -10.439 3.706695e+00 8.098861e-01 -8.098861e-01 1.300262e-03 1.300262e-03 1.000000 2110.695 9.785 -7.766 4.056634e+00 9.143376e-01 -9.143376e-01 8.916063e-03 3.639968e-03 1.000000 2127.341 8.183 -6.861 4.933322e+00 1.081984e+00 -1.081984e+00 6.934736e-03 3.467368e-03 1.000000 2144.770 10.813 -9.245 3.661811e+00 8.010885e-01 -8.010885e-01 2.600518e-03 1.838844e-03 1.000000 2169.470 8.679 -13.887 3.700470e+00 7.578582e-01 -7.578582e-01 3.467366e-03 2.001885e-03 1.000000 2189.309 8.898 -11.161 3.803018e+00 8.166905e-01 -8.166905e-01 7.801570e-03 3.184978e-03 1.000000 2208.287 7.471 -10.080 4.538771e+00 9.518661e-01 -9.518661e-01 7.430061e-03 3.322824e-03 1.000000 2225.532 7.778 -9.774 3.973475e+00 8.955941e-01 -8.955941e-01 8.916074e-03 3.639972e-03 1.000000 2240.828 7.525 -7.519 5.051476e+00 1.083484e+00 -1.083484e+00 8.668385e-03 3.876620e-03 1.000000 2258.077 10.335 -9.724 3.624028e+00 7.948275e-01 -7.948275e-01 5.201041e-03 2.600521e-03 1.000000 2280.362 10.615 -11.950 4.008031e+00 7.900536e-01 -7.900536e-01 5.779262e-03 2.584564e-03 1.000000 7072.851 20.700 -26.939 1.230555e+00 2.774267e-01 -2.774267e-01 3.384316e-03 1.381641e-03 1.000000 7115.925 20.251 -22.373 1.365957e+00 2.996304e-01 -2.996304e-01 2.521642e-03 1.260821e-03 1.000000 7169.995 28.864 -33.819 9.646918e-01 2.121636e-01 -2.121636e-01 2.572076e-03 1.050046e-03 1.000000 7227.315 24.198 -28.456 1.159782e+00 2.534137e-01 -2.534137e-01 5.103330e-04 5.103330e-04 1.000000 7278.320 28.353 -26.808 1.041360e+00 2.344512e-01 -2.344512e-01 2.435678e-03 1.089269e-03 1.000000 7335.235 31.615 -28.561 9.630792e-01 2.156447e-01 -2.156447e-01 4.465414e-04 4.465414e-04 1.000000 7389.781 19.692 -22.932 1.358996e+00 3.059636e-01 -3.059636e-01 3.152056e-03 1.409642e-03 1.000000 7437.307 27.327 -27.834 1.217544e+00 2.544780e-01 -2.544780e-01 9.742721e-04 6.889144e-04 1.000000 7499.462 47.911 -34.827 8.797866e-01 1.771148e-01 -1.771148e-01 1.948615e-03 7.955189e-04 1.000000 18716.064 40.131 -35.088 3.775415e-01 8.468794e-02 -8.468794e-02 8.299868e-04 4.791931e-04 1.000000 18798.987 32.428 -42.791 3.927313e-01 8.595919e-02 -8.595919e-02 8.299868e-04 4.791931e-04 1.000000 18871.647 42.509 -40.232 3.284795e-01 7.391649e-02 -7.391649e-02 1.509066e-03 6.160735e-04 1.000000 18956.264 38.126 -42.108 3.506620e-01 7.874154e-02 -7.874154e-02 1.037483e-03 5.187416e-04 1.000000 19046.288 48.392 -51.898 3.391270e-01 6.989757e-02 -6.989757e-02 2.282510e-03 6.882028e-04 1.000000 34638.494 108.538 -137.179 1.179060e-01 2.657871e-02 -2.657871e-02 6.517601e-04 1.807657e-04 1.000000 34880.925 99.287 -133.893 9.328699e-02 2.445024e-02 -2.445024e-02 9.509555e-04 2.241424e-04 1.000000 35073.943 104.347 -93.731 1.477364e-01 3.324086e-02 -3.324086e-02 6.219335e-04 1.966726e-04 1.000000 35284.938 83.909 -106.647 1.543240e-01 3.480990e-02 -3.480990e-02 9.050773e-04 2.418921e-04 1.000000 35585.353 234.802 -216.506 1.052070e-01 1.848078e-02 -1.848078e-02 6.551155e-04 1.337249e-04 1.000000 40935.068 536.694 -518.879 8.328945e-02 1.569311e-02 -1.569311e-02 3.954927e-04 4.982740e-05 1.000000 72483.928 58500.908 -22119.362 2.631088e-02 4.924232e-03 -4.924232e-03 4.775695e-04 4.925753e-05 0.019002 240226.764 47118.108 -20761.606 9.915195e-03 2.704448e-03 -2.704448e-03 4.226888e-04 3.941593e-05 0.027814 NO NO NO NO NO ! PC upper limits 319481.358 22499.892 -246.968 3.0784e-02 0.0000e+00 0.0000e+00 2.0603e-04 4.4960e-05 0.0194