! Swift/XRT lightcurve of trigger: 21639, name: GRB 231222B ! T0 for this burst is Swift MET=724922794.594 s, = 2023 Dec 22 at 07:26:02.002 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/00021639 ! BINMODE: GRB-like (counts) READ TERR 1 2 ! PC data !Time T_+ve T_-ve Rate Ratepos Rateneg 43448.383 501.825 -270.423 5.974529e-02 1.144571e-02 -1.144571e-02 53693.565 217.300 -171.333 6.193837e-02 1.619334e-02 -1.619334e-02 54414.210 341.613 -503.346 4.696726e-02 9.661527e-03 -9.661527e-03