! Swift/XRT lightcurve of trigger: 357811, name: GRB 090720
 ! T0 for this burst is Swift MET=269764689 s, = 2009 Jul 20 at 06:38:04.074 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/00357811
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg
52900.220	4867.554	-13325.137	9.990914e-03	2.253624e-03	-2.253624e-03
65445.185	3653.624	-2731.954	1.344155e-02	3.206145e-03	-3.206145e-03
133591.643	51617.613	-17407.066	3.519183e-03	8.398423e-04	-8.398423e-04
265245.668	52743.632	-29002.950	1.784351e-03	5.948801e-04	-4.970837e-04