! Swift/XRT lightcurve of trigger: 21489, name: GRB 220426A - source 4
 ! T0 for this burst is Swift MET=672648620.214 s, = 2022 Apr 26 at 06:49:51.000 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/00021489
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg
168767.039	512.307	-495.628	1.356044e-02	4.780859e-03	-3.902901e-03
424656.049	12902.220	-16854.498	1.024130e-02	1.971350e-03	-1.971350e-03
460670.812	466.820	-435.808	8.620563e-03	4.364064e-03	-3.309927e-03