! Swift/XRT lightcurve of trigger: 21534, name: GRB 221231A - source 9 ! T0 for this burst is Swift MET=694215995.756 s, = 2022 Dec 31 at 21:46:05.000 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/00021534 ! BINMODE: GRB-like (counts) READ TERR 1 2 ! PC data !Time T_+ve T_-ve Rate Ratepos Rateneg 88316.499 31676.701 -55627.238 8.903510e-04 4.954342e-04 -3.659286e-04