! Swift/XRT lightcurve of trigger: 20739, name: GRB 170209A - source 3
 ! T0 for this burst is Swift MET=508295318.0 s, = 2017 Feb 09 at 01:08:19.409 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/00020739
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Flux    	Fluxpos 	Fluxneg
148943.019	4759.920	-14394.450	4.01359876184581e-13	8.09899261226574e-14	-8.09899261226574e-14