! Swift/XRT lightcurve of trigger: 20763, name: GRB 170510A - source 4
 ! 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/00020763
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg
492622.900	210790.329	-466194.323	1.050468e-02	2.057676e-03	-2.057676e-03
707647.364	89.180	-171.580	9.500218e-02	2.455511e-02	-2.455511e-02
707903.107	134.315	-166.563	8.226418e-02	2.128499e-02	-2.128499e-02
708643.352	529.874	-605.930	3.471069e-02	7.121325e-03	-7.121325e-03
NO	NO	NO	NO	NO	NO
! PC Upper limit
713372.660	100.292	-100.292	2.9489e-02	0.0000e+00	0.0000e+00