! Swift/XRT lightcurve of trigger: 20761, name: GRB 170510A - source 1
 ! 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/00020761
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg
25623.606	1073.251	-925.210	6.576184e-02	1.371229e-02	-1.371229e-02
31392.151	4681.358	-997.169	6.091717e-02	1.195043e-02	-1.195043e-02
NO	NO	NO	NO	NO	NO
! PC Upper limit
698361.933	15111.019	-2348.755	3.0074e-03	0.0000e+00	0.0000e+00