! 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 35492.678 8810.197 -2803.417 9.950456e-03 1.881720e-03 -1.881720e-03 109728.574 10264.624 -2496.351 3.234348e-03 1.116025e-03 -9.194041e-04