! Swift/XRT lightcurve of trigger: 21534, name: GRB 221231A ! T0 for this burst is Swift MET=694215995.756 s, = 2022 Dec 31 at 21:46:05.262 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/00021534 ! BINMODE: GRB-like (counts) READ TERR 1 2 ! PC data !Time T_+ve T_-ve Rate Ratepos Rateneg 33795.415 1273.275 -1106.153 1.089899e-02 2.511978e-03 -2.511978e-03 39339.503 1455.566 -1059.256 9.464272e-03 3.495412e-03 -2.823977e-03