! 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 flux, 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   	Flux    	Fluxpos 	Fluxneg
168767.039	512.307	-495.628	4.00036794552965e-13	1.41036685356057e-13	-1.15136677386395e-13
424656.049	12902.220	-16854.498	3.02121230878591e-13	5.81553795409285e-14	-5.81553795409285e-14
460670.812	466.820	-435.808	2.5430903346513e-13	1.28741115611587e-13	-9.76437775827564e-14