! Swift/XRT lightcurve of trigger: 20849, name: GRB 181225A - source 4
 ! T0 for this burst is Swift MET=567431072.7 s, = 2018 Dec 25 at 11:44:10.500 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/00020849
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg
213416.684	243448.793	-153319.002	6.002296e-03	1.502840e-03	-1.502840e-03
467200.570	12943.846	-5287.290	5.533996e-03	1.629954e-03	-1.361995e-03