! Swift/XRT lightcurve of trigger: 20979, name: GRB 200405B - source 4
 ! T0 for this burst is Swift MET=607751618.0 s, = 2020 Apr 05 at 03:53:13.240 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/00020979
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Flux    	Fluxpos 	Fluxneg
82696.683	479644.327	-15934.459	9.4615394673047e-14	2.61744588492981e-14	-2.61744588492981e-14
583545.865	454.477	-418.063	1.61103440543652e-13	1.00091395308327e-13	-7.12084741476454e-14