! Swift/XRT detailed lightcurve of trigger: 1348587, name: GRB 250911A ! T0 for this burst is Swift MET=779246902.464 s, = 2025 Sep 11 at 01:27:46.142 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 ! PC data 3480.709 38.419 -31.786 1.821055e+00 4.246113e-01 -4.246113e-01 1.153218e-02 2.105478e-03 1.000000 3541.425 20.328 -22.296 3.043634e+00 6.948266e-01 -6.948266e-01 9.497085e-03 2.452137e-03 1.000000 3597.436 42.044 -35.683 1.720773e+00 3.886588e-01 -3.886588e-01 9.027334e-03 1.770406e-03 1.000000 3665.280 26.854 -25.800 2.413324e+00 5.571530e-01 -5.571530e-01 1.178844e-02 2.458060e-03 1.000000 3711.425 18.319 -19.291 3.466663e+00 7.891967e-01 -7.891967e-01 9.328243e-03 2.587189e-03 1.000000 3767.541 39.929 -37.798 1.644406e+00 3.812498e-01 -3.812498e-01 9.027334e-03 1.770406e-03 1.000000 3839.762 35.406 -32.292 1.878919e+00 4.337774e-01 -4.337774e-01 9.168781e-03 1.911823e-03 1.000000 3904.830 35.529 -29.662 1.948385e+00 4.510875e-01 -4.510875e-01 1.034938e-02 2.069876e-03 1.000000 3972.791 32.758 -32.432 1.940742e+00 4.505926e-01 -4.505926e-01 1.117733e-02 2.151077e-03 1.000000 4035.774 24.936 -30.225 2.444105e+00 5.505498e-01 -5.505498e-01 1.174185e-02 2.396795e-03 1.000000 4089.272 34.121 -28.562 2.014762e+00 4.691092e-01 -4.691092e-01 1.248547e-02 2.318494e-03 1.000000 4166.094 24.996 -42.701 1.874184e+00 4.351396e-01 -4.351396e-01 1.076335e-02 2.071408e-03 1.000000 4232.660 46.187 -41.570 1.460631e+00 3.376855e-01 -3.376855e-01 7.380581e-03 1.506555e-03 1.000000 4315.281 38.785 -36.434 1.696956e+00 3.928768e-01 -3.928768e-01 8.969453e-03 1.793891e-03 1.000000 4393.870 35.416 -39.804 1.699025e+00 3.928002e-01 -3.928002e-01 8.610679e-03 1.757648e-03 1.000000 4478.586 45.979 -49.300 1.293121e+00 3.089943e-01 -3.089943e-01 1.331255e-02 1.941835e-03 1.000000 4565.646 34.138 -41.081 1.704541e+00 3.924123e-01 -3.924123e-01 7.534340e-03 1.644128e-03 1.000000 4639.333 35.671 -39.549 1.658082e+00 3.921970e-01 -3.921970e-01 1.435111e-02 2.269110e-03 1.000000 4715.277 65.034 -40.273 1.194482e+00 2.793104e-01 -2.793104e-01 8.200638e-03 1.449682e-03 1.000000 4817.465 25.530 -37.153 2.134471e+00 4.820978e-01 -4.820978e-01 1.119386e-02 2.195297e-03 1.000000 4886.664 44.087 -43.670 1.436397e+00 3.368405e-01 -3.368405e-01 1.045581e-02 1.793157e-03 1.000000 4972.953 40.540 -42.201 1.532634e+00 3.558401e-01 -3.558401e-01 8.806369e-03 1.694786e-03 1.000000 5076.975 49.347 -63.482 5.343110e-01 1.277158e-01 -1.277158e-01 1.128882e-02 1.682838e-03 0.999873 5152.756 21.205 -26.433 1.074423e+00 2.470505e-01 -2.470505e-01 1.140099e-02 2.615567e-03 1.000000 10457.144 45.172 -55.121 4.779458e-01 1.125397e-01 -1.125397e-01 9.950689e-03 1.393375e-03 0.999990 10553.413 59.225 -51.097 2.246257e-01 5.234360e-02 -5.234360e-02 7.258157e-03 1.147615e-03 0.999991 10634.816 30.476 -22.177 4.818351e-01 1.098512e-01 -1.098512e-01 7.223536e-03 1.657193e-03 1.000000 10693.110 24.836 -27.818 4.804521e-01 1.094231e-01 -1.094231e-01 6.843340e-03 1.612991e-03 1.000000 10758.160 47.543 -40.213 2.871805e-01 6.574379e-02 -6.574379e-02 5.246564e-03 1.093984e-03 1.000000 10858.338 57.683 -52.636 3.302858e-01 6.304633e-02 -6.304633e-02 7.076894e-03 1.133210e-03 1.000000 16062.162 65.480 -79.945 1.727535e-01 4.059834e-02 -4.059834e-02 6.608778e-03 9.538950e-04 1.000000 16194.407 76.153 -66.764 1.745384e-01 4.058687e-02 -4.058687e-02 5.323740e-03 8.636246e-04 1.000000 16357.218 98.884 -86.658 2.184547e-01 5.205695e-02 -5.205695e-02 6.583997e-03 8.361684e-04 0.999983 16553.189 70.904 -97.087 2.067243e-01 4.885646e-02 -4.885646e-02 6.353180e-03 8.645583e-04 0.999986 16708.270 66.260 -84.177 1.882583e-01 4.117235e-02 -4.117235e-02 7.054047e-03 9.689478e-04 1.000000 20185.215 106.283 -101.824 1.077241e-01 2.601738e-02 -2.601738e-02 7.053714e-03 8.749056e-04 1.000000 20337.235 44.526 -45.737 2.558963e-01 5.960119e-02 -5.960119e-02 8.756845e-03 1.480177e-03 1.000000 20505.442 64.368 -123.681 1.290178e-01 2.943379e-02 -2.943379e-02 4.803758e-03 7.595408e-04 1.000000 20628.578 51.555 -58.767 2.105740e-01 4.852604e-02 -4.852604e-02 5.322342e-03 1.043797e-03 1.000000 20774.344 71.272 -94.211 1.388391e-01 3.245291e-02 -3.245291e-02 5.185871e-03 8.412594e-04 1.000000 20926.499 109.666 -80.883 1.382805e-01 3.021279e-02 -3.021279e-02 5.451857e-03 8.038325e-04 1.000000 25825.614 154.442 -113.841 9.808461e-02 2.423569e-02 -2.423569e-02 7.021238e-03 7.241854e-04 1.000000 26109.008 84.170 -128.952 1.273877e-01 3.072162e-02 -3.072162e-02 6.769908e-03 7.978413e-04 1.000000 26400.055 214.346 -206.877 1.243819e-01 2.185216e-02 -2.185216e-02 6.850631e-03 5.708859e-04 1.000000 31474.813 117.506 -115.675 8.044468e-02 2.210691e-02 -2.210691e-02 3.865035e-03 4.586953e-04 1.000000 31693.817 99.089 -101.497 1.276339e-01 2.967684e-02 -2.967684e-02 3.796988e-03 4.901891e-04 1.000000 32034.356 222.396 -241.450 4.506867e-02 1.211801e-02 -1.211801e-02 4.761709e-03 3.609843e-04 1.000000 37106.892 139.065 -237.033 5.447231e-02 1.498179e-02 -1.498179e-02 2.433618e-03 2.102326e-04 1.000000 37485.828 279.138 -239.871 4.750933e-02 1.206123e-02 -1.206123e-02 2.474181e-03 1.804482e-04 1.000000 45932.265 2449.405 -1735.881 6.113386e-02 1.372182e-02 -1.372182e-02 3.325731e-03 2.160294e-04 0.194699 100263.625 15993.111 -6151.303 1.294023e-02 3.054783e-03 -3.054783e-03 1.905203e-03 8.275672e-05 0.103940 149619.937 28014.894 -17372.982 8.105100e-03 1.916140e-03 -1.916140e-03 1.632065e-03 5.578285e-05 0.083746 NO NO NO NO NO ! PC upper limits 252884.535 65391.600 -42228.477 5.2786e-03 0.0000e+00 0.0000e+00 1.5667e-03 3.7854e-05 0.0584 433980.266 46515.659 -65196.765 3.3072e-03 0.0000e+00 0.0000e+00 1.3991e-03 2.9135e-05 0.0776