! Swift/XRT lightcurve of trigger: 21534, name: GRB 221231A - source 2
 ! 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
35689.607	8613.268	-3000.346	1.077579e-02	1.988765e-03	-1.988765e-03
109728.574	10264.626	-2496.351	3.288281e-03	1.133513e-03	-9.338115e-04