! Swift/XRT lightcurve of trigger: 20790, name: GRB 180409A - source 1
 ! T0 for this burst is Swift MET=544954699.0 s, = 2018 Apr 09 at 08:17:58.226 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/00020790
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg
58723.393	11347.526	-5335.396	2.716083e-02	6.672945e-03	-6.672945e-03
446034.276	9045.922	-9202.904	3.350085e-03	1.148524e-03	-9.461775e-04