! Swift/XRT lightcurve of trigger: 20756, name: GRB 170424A - source 6
 ! T0 for this burst is Swift MET=514721550.0 s, = 2017 Apr 24 at 10:12:11.032 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/00020756
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg
759736.143	2412.920	-4308.154	8.765117e-03	2.265097e-03	-2.265097e-03
NO	NO	NO	NO	NO	NO
! PC Upper limit
812752.753	267.040	-204.333	2.8499e-02	0.0000e+00	0.0000e+00