! Swift/XRT detailed lightcurve of trigger: 1344131, name: GRB 250821A ! T0 for this burst is Swift MET=777466013.504 s, = 2025 Aug 21 at 10:46:17.308 UT ! Data covers 0.3-10 keV ! For details of light-curve production, see Evans et al. 2007, A&A, 469, 379 ! BINMODE: READ TERR 1 2 READ SERR 3 !Time T_+ve T_-ve Rate Ratepos Rateneg BGrate BGerr FracExp ! PC data 191.562 56.489 -41.296 2.551575e-01 5.735269e-02 -5.735269e-02 1.054043e-03 3.983908e-04 1.000000 309.770 58.633 -61.719 2.074668e-01 4.680753e-02 -4.680753e-02 1.468130e-03 4.238128e-04 1.000000 419.775 46.413 -51.373 2.537761e-01 5.687259e-02 -5.687259e-02 4.517327e-04 2.608080e-04 1.000000 529.102 107.584 -62.914 1.447490e-01 3.278011e-02 -3.278011e-02 1.468132e-03 3.560743e-04 1.000000 724.891 137.453 -88.205 9.722523e-02 2.324176e-02 -2.324176e-02 1.109256e-03 2.690340e-04 1.000000 1217.644 562.367 -355.300 2.314395e-02 5.788856e-03 -5.788856e-03 1.123173e-03 1.342449e-04 1.000000