! Swift/XRT lightcurve of trigger: 20765, name: GRB 170510A - source 2
 ! T0 for this burst is Swift MET=516085945.0 s, = 2017 May 10 at 05:12:05.961 UT
 ! Data covers 0.3-10 keV
 ! The data are in 5 columns:  ! time, time error (+ve), time error (-ve), source count-rate, 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/00020765
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg
27802.077	3645.480	-2388.000	3.536012e-02	8.670452e-03	-8.670452e-03
NO	NO	NO	NO	NO	NO
! PC Upper limit
36194.900	8.776	-21.312	3.6523e-01	0.0000e+00	0.0000e+00