! Swift/XRT lightcurve of trigger: 21026, name: GRB 200809B - source 1
 ! T0 for this burst is Swift MET=618680512.5 s, = 2020 Aug 09 at 15:41:27.000 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/00021026
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Flux    	Fluxpos 	Fluxneg
17691.222	2480.124	-3657.105	6.92620344755081e-13	1.77557807920246e-13	-1.77557807920246e-13
39230.290	2174.973	-2415.384	2.02203556342979e-13	1.28923512370026e-13	-9.17206248918652e-14