! Swift/XRT lightcurve of trigger: 21859, name: GRB 250916A ! T0 for this burst is Swift MET=779722197.356 s, = 2025 Sep 16 at 13:29:21.014 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/00021859 ! BINMODE: GRB-like (counts) READ TERR 1 2 ! PC data !Time T_+ve T_-ve Rate Ratepos Rateneg 102568.558 446.137 -484.071 2.564852e-02 6.185330e-03 -6.185330e-03 106865.713 374.950 -289.485 2.975464e-02 7.888221e-03 -7.888221e-03