! Swift/XRT lightcurve of trigger: 1344131, name: GRB 250821A ! T0 for this burst is Swift MET=777466013.505997 s, = 2025 Aug 21 at 10:46:17.310 UT ! Data covers 0.3-10 keV ! The data are in 5 columns: "; ! time, time error (+ve), time error (-ve), source count-rate, 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/01344131 ! BINMODE: READ TERR 1 2 ! PC data !Time T_+ve T_-ve Rate Ratepos Rateneg 191.560 56.489 -41.296 2.531150e-01 5.689483e-02 -5.689483e-02 309.768 58.633 -61.719 2.074529e-01 4.680618e-02 -4.680618e-02 419.773 46.413 -51.373 2.546023e-01 5.705829e-02 -5.705829e-02 529.100 107.584 -62.914 1.446068e-01 3.272500e-02 -3.272500e-02 724.889 137.453 -88.205 9.809355e-02 2.345074e-02 -2.345074e-02 1217.642 562.367 -355.300 2.290983e-02 5.716728e-03 -5.716728e-03