! 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 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/00020763
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Flux    	Fluxpos 	Fluxneg
492622.900	210790.329	-466194.323	2.11250880987436e-13	4.13802103240369e-14	-4.13802103240369e-14
707647.364	89.180	-171.580	1.91050981283837e-12	4.93807390633832e-13	-4.93807390633832e-13
707903.107	134.315	-166.563	1.65434649115528e-12	4.28044727617478e-13	-4.28044727617478e-13
708643.352	529.874	-605.930	6.98037811925903e-13	1.43211043082498e-13	-1.43211043082498e-13
NO	NO	NO	NO	NO	NO
! PC Upper limit
713372.660	100.292	-100.292	5.93028748085473e-13	0	0