! Swift/XRT lightcurve of trigger: 21853, name: GRB 250804B - source 1 ! T0 for this burst is Swift MET=775975527.091 s, = 2025 Aug 04 at 04:44:51.000 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/00021853 ! BINMODE: GRB-like (counts) READ TERR 1 2 ! PC data !Time T_+ve T_-ve Rate Ratepos Rateneg 83343.773 2250.710 -2706.863 6.225578e-02 1.621133e-02 -1.621133e-02 85865.713 292.913 -271.229 6.194891e-02 1.361732e-02 -1.361732e-02