! Swift/XRT lightcurve of trigger: 20010, name: GRB 050520
 ! T0 for this burst is Swift MET=138240352.531105995 s, = 2005 May 20 at 00:05:53.000 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/00020010
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg
11556.380	2477.304	-3889.458	9.824062e-03	2.556825e-03	-2.556825e-03
20483.976	5795.362	-2566.910	4.002655e-03	1.170098e-03	-1.170098e-03
42260.577	24523.419	-12768.261	1.142087e-03	3.728707e-04	-3.728707e-04
NO	NO	NO	NO	NO
! PC upper limits
134358.767	92539.162	-64366.642	1.0460e-03	0.0000e+00	0.0000e+00