! Swift/XRT detailed lightcurve of trigger: 1311764, name: GRB 250509A ! T0 for this burst is Swift MET=768522846.208 s, = 2025 May 09 at 22:33:30.633 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 77.7575 0.3519 -0.3526 1.103847e+02 1.366116e+01 -1.366475e+01 9.112197e-01 9.112197e-01 1.000000 78.4919 0.4002 -0.3826 9.934709e+01 1.229532e+01 -1.229862e+01 8.201045e-01 8.201045e-01 1.000000 79.1593 0.3698 -0.2671 1.209150e+02 1.515814e+01 -1.516248e+01 2.015795e+00 1.425382e+00 1.000000 79.8216 0.3124 -0.2925 8.718390e+01 1.300008e+01 -1.300279e+01 0.000000e+00 0.000000e+00 1.000000 80.4748 0.3335 -0.3408 1.153337e+02 1.427604e+01 -1.428041e+01 9.520734e-01 9.520734e-01 1.000000 81.1319 0.2689 -0.3236 8.901661e+01 1.327376e+01 -1.327660e+01 0.000000e+00 0.000000e+00 1.000000 81.7282 0.2792 -0.3274 8.692899e+01 1.296317e+01 -1.296603e+01 0.000000e+00 0.000000e+00 1.000000 82.3744 0.3499 -0.3670 7.250816e+01 1.101931e+01 -1.102165e+01 8.954104e-01 8.954104e-01 1.000000 82.9855 0.3313 -0.2611 9.763740e+01 1.405213e+01 -1.405552e+01 1.083592e+00 1.083592e+00 1.000000 83.6112 0.2732 -0.2944 9.292068e+01 1.385942e+01 -1.386252e+01 0.000000e+00 0.000000e+00 1.000000 84.2758 0.3487 -0.3915 7.023954e+01 1.067443e+01 -1.067670e+01 8.673950e-01 8.673950e-01 1.000000 84.9873 0.2581 -0.3628 8.493642e+01 1.266766e+01 -1.267050e+01 0.000000e+00 0.000000e+00 1.000000 85.5683 0.4225 -0.3229 1.043252e+02 1.291970e+01 -1.292382e+01 8.611986e-01 8.611986e-01 1.000000 86.2800 0.2588 -0.2891 9.624196e+01 1.435617e+01 -1.435929e+01 0.000000e+00 0.000000e+00 1.000000 86.8779 0.3548 -0.3390 7.600638e+01 1.133688e+01 -1.133940e+01 0.000000e+00 0.000000e+00 1.000000 87.5248 0.3680 -0.2921 7.989900e+01 1.191625e+01 -1.191892e+01 0.000000e+00 0.000000e+00 1.000000 88.2428 0.4755 -0.3500 6.248122e+01 9.317730e+00 -9.319800e+00 0.000000e+00 0.000000e+00 1.000000 89.0808 0.3242 -0.3625 7.399985e+01 1.124890e+01 -1.125126e+01 9.348352e-01 9.348352e-01 1.000000 89.8853 0.4911 -0.4803 5.231339e+01 7.953229e+00 -7.954817e+00 6.608717e-01 6.608717e-01 1.000000 90.7597 0.3978 -0.3833 6.600567e+01 9.846408e+00 -9.848500e+00 0.000000e+00 0.000000e+00 1.000000 91.6464 0.3846 -0.4889 5.901531e+01 8.803002e+00 -8.804926e+00 0.000000e+00 0.000000e+00 1.000000 92.3819 0.3518 -0.3509 7.335895e+01 1.094603e+01 -1.094804e+01 0.000000e+00 0.000000e+00 1.000000 93.2748 0.4552 -0.5411 5.174440e+01 7.721793e+00 -7.723083e+00 0.000000e+00 0.000000e+00 1.000000 94.321 0.682 -0.591 4.052657e+01 6.046867e+00 -6.048007e+00 0.000000e+00 0.000000e+00 1.000000 95.4802 0.4524 -0.4781 5.461440e+01 8.306324e+00 -8.307525e+00 6.899402e-01 6.899402e-01 1.000000 96.4143 0.3883 -0.4817 5.587600e+01 9.002033e+00 -9.003338e+00 2.951666e+00 1.475833e+00 1.000000 97.346 0.567 -0.544 4.577423e+01 6.961891e+00 -6.962885e+00 5.782628e-01 5.782628e-01 1.000000 98.583 0.708 -0.670 3.636244e+01 5.637327e+00 -5.638016e+00 9.311898e-01 6.584506e-01 1.000000 99.902 0.562 -0.611 4.442103e+01 6.680469e+00 -6.681307e+00 5.475564e-01 5.475564e-01 1.000000 101.082 0.583 -0.618 4.241232e+01 6.453687e+00 -6.454048e+00 5.345819e-01 5.345819e-01 1.000000 102.152 0.611 -0.487 4.505495e+01 7.121748e+00 -7.122368e+00 1.754455e+00 1.012935e+00 1.000000 103.591 0.552 -0.829 3.635845e+01 5.635741e+00 -5.636590e+00 9.300127e-01 6.576183e-01 1.000000 104.797 0.697 -0.654 3.826321e+01 5.711406e+00 -5.712126e+00 0.000000e+00 0.000000e+00 1.000000 106.537 0.743 -1.043 2.851371e+01 4.339014e+00 -4.339217e+00 3.593983e-01 3.593983e-01 1.000000 108.065 0.820 -0.785 3.219816e+01 4.810880e+00 -4.810615e+00 0.000000e+00 0.000000e+00 1.000000 109.582 0.659 -0.697 3.826260e+01 5.716366e+00 -5.716153e+00 0.000000e+00 0.000000e+00 1.000000 111.119 1.073 -0.878 2.622820e+01 3.990116e+00 -3.990507e+00 3.289306e-01 3.289306e-01 1.000000 112.766 0.637 -0.574 4.225002e+01 6.426599e+00 -6.427396e+00 5.298620e-01 5.298620e-01 1.000000 114.303 0.894 -0.899 2.813111e+01 4.361989e+00 -4.362383e+00 7.159522e-01 5.062547e-01 1.000000 115.944 0.861 -0.747 3.182771e+01 4.841528e+00 -4.842083e+00 3.991547e-01 3.991547e-01 1.000000 117.685 0.879 -0.879 2.912191e+01 4.432676e+00 -4.432682e+00 3.652210e-01 3.652210e-01 1.000000 119.486 0.873 -0.923 2.981193e+01 4.406510e+00 -4.406139e+00 0.000000e+00 0.000000e+00 1.000000 121.387 1.005 -1.029 2.558233e+01 3.966833e+00 -3.967182e+00 6.313902e-01 4.464603e-01 1.000000 123.643 1.174 -1.251 2.176795e+01 3.312231e+00 -3.312439e+00 2.647366e-01 2.647366e-01 1.000000 126.248 1.311 -1.431 1.925369e+01 2.929362e+00 -2.929599e+00 2.341587e-01 2.341587e-01 1.000000 128.849 1.024 -1.291 2.280552e+01 3.469706e+00 -3.470001e+00 2.773552e-01 2.773552e-01 1.000000 130.864 0.839 -0.991 2.914558e+01 4.349835e+00 -4.350490e+00 0.000000e+00 0.000000e+00 1.000000 133.281 1.557 -1.577 1.699027e+01 2.536353e+00 -2.536626e+00 0.000000e+00 0.000000e+00 1.000000 136.221 1.300 -1.383 1.985204e+01 2.963005e+00 -2.963419e+00 0.000000e+00 0.000000e+00 1.000000 139.275 1.668 -1.753 1.467937e+01 2.365150e+00 -2.365462e+00 7.505712e-01 3.752856e-01 1.000000 142.708 1.347 -1.765 1.712614e+01 2.555926e+00 -2.556321e+00 0.000000e+00 0.000000e+00 1.000000 145.626 1.557 -1.571 1.703911e+01 2.542768e+00 -2.543188e+00 0.000000e+00 0.000000e+00 1.000000 149.029 1.845 -1.847 1.423018e+01 2.163846e+00 -2.164225e+00 1.738988e-01 1.738988e-01 1.000000 152.541 2.220 -1.667 1.350812e+01 2.054126e+00 -2.054474e+00 1.651432e-01 1.651432e-01 1.000000 156.585 1.573 -1.824 1.523274e+01 2.361349e+00 -2.361672e+00 3.780389e-01 2.673139e-01 1.000000 160.468 1.826 -2.310 8.583054e+00 1.567908e+00 -1.568116e+00 0.000000e+00 0.000000e+00 1.000000 164.297 2.436 -2.003 1.191848e+01 1.778024e+00 -1.778393e+00 0.000000e+00 0.000000e+00 1.000000 168.497 1.932 -1.765 1.389043e+01 2.151991e+00 -2.152434e+00 3.472940e-01 2.455740e-01 1.000000 172.778 2.642 -2.349 1.029859e+01 1.595933e+00 -1.596229e+00 2.572816e-01 1.819256e-01 1.000000 177.457 2.612 -2.037 7.271630e+00 1.406463e+00 -1.406642e+00 2.761864e-01 1.952932e-01 1.000000 182.480 2.103 -2.411 7.491305e+00 1.448889e+00 -1.449078e+00 2.844606e-01 2.011440e-01 1.000000 187.443 2.329 -2.861 6.898864e+00 1.274306e+00 -1.274476e+00 1.237018e-01 1.237018e-01 1.000000 192.226 2.343 -2.453 7.218495e+00 1.356399e+00 -1.356590e+00 1.338418e-01 1.338418e-01 1.000000 197.673 2.502 -3.104 6.294035e+00 1.149518e+00 -1.149689e+00 0.000000e+00 0.000000e+00 1.000000 202.835 3.051 -2.660 6.176446e+00 1.128095e+00 -1.128262e+00 0.000000e+00 0.000000e+00 1.000000 208.913 4.988 -3.027 4.106518e+00 8.178830e-01 -8.179758e-01 2.402914e-01 1.387323e-01 1.000000 219.388 4.160 -5.487 3.342157e+00 6.856277e-01 -6.857063e-01 2.662031e-01 1.331016e-01 1.000000 228.120 2.725 -4.573 4.735845e+00 8.649623e-01 -8.650898e-01 0.000000e+00 0.000000e+00 1.000000 NO NO NO NO NO ! PC data 244.330 11.598 -8.461 2.110165e+00 4.770726e-01 -4.770726e-01 1.077688e-02 3.810201e-03 1.000000 264.523 11.463 -8.596 2.209243e+00 4.858978e-01 -4.858978e-01 8.082652e-03 3.299729e-03 1.000000 289.542 11.517 -13.556 1.699252e+00 3.820568e-01 -3.820568e-01 4.310746e-03 2.155373e-03 1.000000 322.468 21.216 -21.409 1.051245e+00 2.330467e-01 -2.330467e-01 7.607201e-03 2.196010e-03 1.000000 360.790 15.489 -17.106 1.427276e+00 3.122716e-01 -3.122716e-01 1.657981e-03 1.172369e-03 1.000000 396.881 24.529 -20.603 9.437598e-01 2.113205e-01 -2.113205e-01 5.987143e-04 5.987143e-04 1.000000 450.973 20.584 -29.563 8.917390e-01 1.963859e-01 -1.963859e-01 3.771904e-03 1.425646e-03 1.000000 487.843 21.323 -16.287 1.122854e+00 2.528086e-01 -2.528086e-01 3.592288e-03 1.606520e-03 1.000000 522.637 14.109 -13.471 1.546932e+00 3.487697e-01 -3.487697e-01 5.878298e-03 2.399805e-03 1.000000 550.108 14.220 -13.361 1.525980e+00 3.426268e-01 -3.426268e-01 2.939147e-03 1.696917e-03 1.000000 584.957 11.965 -20.630 1.563631e+00 3.224862e-01 -3.224862e-01 7.460899e-03 2.486966e-03 1.000000 608.288 13.707 -11.366 1.698574e+00 3.819043e-01 -3.819043e-01 4.310746e-03 2.155373e-03 1.000000 633.602 15.974 -11.607 1.562183e+00 3.526948e-01 -3.526948e-01 6.858009e-03 2.592084e-03 1.000000 660.944 13.702 -11.368 1.753620e+00 3.831710e-01 -3.831710e-01 1.077803e-03 1.077803e-03 1.000000 4386.521 27.118 -38.072 6.623437e-01 1.487154e-01 -1.487154e-01 1.243517e-03 7.179449e-04 1.000000 4447.078 24.229 -33.439 7.497191e-01 1.685655e-01 -1.685655e-01 1.874283e-03 9.371413e-04 1.000000 4509.476 34.543 -38.169 5.887397e-01 1.329201e-01 -1.329201e-01 2.601378e-03 9.832286e-04 1.000000 4575.952 28.243 -31.933 7.297756e-01 1.647619e-01 -1.647619e-01 3.143331e-03 1.188067e-03 1.000000 4647.874 39.062 -43.679 5.229411e-01 1.188863e-01 -1.188863e-01 3.918959e-03 1.131306e-03 1.000000 4739.751 34.940 -52.815 5.366160e-01 1.158488e-01 -1.158488e-01 3.079181e-03 9.737224e-04 1.000000 4825.280 34.660 -50.588 5.289498e-01 1.163365e-01 -1.163365e-01 1.901847e-03 7.764258e-04 1.000000 4894.013 26.102 -34.073 7.325910e-01 1.660862e-01 -1.660862e-01 4.490471e-03 1.420012e-03 1.000000 4958.913 53.973 -38.797 4.682585e-01 1.054275e-01 -1.054275e-01 1.456368e-03 6.513077e-04 1.000000 5047.424 20.623 -34.538 8.152271e-01 1.800096e-01 -1.800096e-01 4.408831e-03 1.469610e-03 1.000000 5095.983 27.225 -27.936 7.768713e-01 1.749112e-01 -1.749112e-01 2.449346e-03 1.095381e-03 1.000000 5269.263 202.980 -146.056 5.343404e-01 7.881632e-02 -7.881632e-02 3.258780e-03 7.476155e-04 0.452552 9731.464 47.476 -62.845 2.796488e-01 6.020381e-02 -6.020381e-02 1.911234e-03 5.762586e-04 1.000000 9831.929 54.826 -52.988 2.648795e-01 5.957470e-02 -5.957470e-02 1.066736e-03 4.354931e-04 1.000000 9968.065 111.753 -81.310 2.385457e-01 5.243603e-02 -5.243603e-02 7.832092e-04 2.769063e-04 0.999991 10116.770 50.804 -36.952 3.223324e-01 7.256719e-02 -7.256719e-02 1.528997e-03 5.779066e-04 0.999994 10238.303 79.710 -70.729 1.868072e-01 4.209721e-02 -4.209721e-02 1.019324e-03 3.603856e-04 1.000000 10356.089 49.679 -38.077 3.218826e-01 7.232503e-02 -7.232503e-02 1.092133e-03 4.884168e-04 1.000000 10473.778 57.356 -68.010 2.272620e-01 5.101477e-02 -5.101477e-02 6.115942e-04 3.057971e-04 1.000000 10600.111 68.925 -68.977 2.040628e-01 4.598577e-02 -4.598577e-02 1.111990e-03 3.931477e-04 1.000000 10737.100 57.302 -68.064 2.359569e-01 5.192060e-02 -5.192060e-02 1.376087e-03 4.586956e-04 1.000000 10855.617 76.687 -61.216 2.073437e-01 4.658885e-02 -4.658885e-02 6.949932e-04 3.108104e-04 1.000000 10995.183 64.994 -62.879 2.218842e-01 5.024678e-02 -5.024678e-02 1.948707e-03 5.404740e-04 1.000000 11148.518 37.025 -88.341 2.232708e-01 5.041262e-02 -5.041262e-02 1.528984e-03 4.835073e-04 1.000000 11289.679 113.994 -104.136 1.590468e-01 3.230950e-02 -3.230950e-02 1.757509e-03 3.929910e-04 1.000000 21132.931 110.516 -157.767 8.123008e-02 2.132231e-02 -2.132231e-02 9.088603e-04 2.085068e-04 1.000000 21358.050 133.621 -114.603 1.148128e-01 2.607705e-02 -2.607705e-02 1.240803e-03 2.532779e-04 1.000000 21709.758 193.113 -218.087 5.165207e-02 1.358207e-02 -1.358207e-02 6.553935e-04 1.430186e-04 1.000000 22048.264 178.051 -145.393 6.594910e-02 1.741786e-02 -1.741786e-02 1.031597e-03 2.023129e-04 1.000000 22486.419 236.342 -260.104 6.907425e-02 1.434676e-02 -1.434676e-02 8.314190e-04 1.469755e-04 0.994933 26698.274 235.449 -155.692 4.898620e-02 1.277079e-02 -1.277079e-02 3.668224e-04 8.415484e-05 1.000000 27143.594 116.080 -209.871 5.870383e-02 1.528860e-02 -1.528860e-02 3.938513e-04 9.552297e-05 1.000000 27474.071 114.061 -214.397 5.856027e-02 1.524344e-02 -1.524344e-02 3.678538e-04 9.196344e-05 1.000000 27951.188 331.460 -363.056 3.631287e-02 8.299077e-03 -8.299077e-03 6.197667e-04 8.209010e-05 1.000000 43823.485 45379.899 -10858.041 1.975536e-02 4.674541e-03 -4.674541e-03 2.456140e-03 6.055782e-05 0.110345 NO NO NO NO NO ! PC upper limits 225610.583 4746.829 -8024.642 4.0853e-03 0.0000e+00 0.0000e+00 1.2830e-04 7.8960e-06 0.3893