! Swift/XRT lightcurve of trigger: 21639, name: GRB 231222B
 ! T0 for this burst is Swift MET=724922794.594 s, = 2023 Dec 22 at 07:26:29.594 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	5.957632e-02	1.141336e-02	-1.141336e-02
53680.223	122.828	-157.991	8.586243e-02	2.240972e-02	-2.240972e-02
54394.716	361.107	-591.665	4.356483e-02	8.792645e-03	-8.792645e-03
140935.151	447.780	-447.326	2.131513e-02	5.777041e-03	-5.777041e-03