! Swift/XRT lightcurve of trigger: 20850, name: GRB 181222B - source 1
 ! T0 for this burst is Swift MET=567202297.0 s, = 2018 Dec 22 at 20:11:14.848 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/00020850
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg
419012.771	2808.459	-4150.996	7.743146e-03	2.042086e-03	-2.042086e-03
426574.054	437.845	-710.499	1.494266e-02	4.859722e-03	-4.003539e-03