! Swift/XRT lightcurve of trigger: 20738, name: GRB 170131A - source 1
 ! T0 for this burst is Swift MET=507597299.0 s, = 2017 Jan 31 at 23:14:40.450 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/00020738
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Flux    	Fluxpos 	Fluxneg
87727.450	8823.503	-9331.031	6.16580186204212e-14	2.62627517997745e-14	-2.09853303222966e-14