! Swift/XRT detailed 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
 ! For details of light-curve production, see Evans et al. 2007, A&A, 469, 379
 ! BINMODE: GRB-like (counts)
READ TERR 1 2
READ SERR 3
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg 	BGrate  	BGerr   	FracExp
! PC data
11556.380	2477.304	-3889.458	9.824062e-03	2.556825e-03	-2.556825e-03	5.410573e-04	3.988727e-05	0.335133
20483.976	5795.362	-2566.910	4.002655e-03	1.170098e-03	-1.170098e-03	3.646152e-04	1.566156e-05	0.573584
42260.577	24523.419	-12768.261	1.142087e-03	3.728707e-04	-3.728707e-04	1.926822e-04	5.158868e-06	0.436220
NO	NO	NO	NO	NO
! PC upper limits
134358.767	92539.162	-64366.642	1.0460e-03	0.0000e+00	0.0000e+00	8.2385e-05	1.9894e-06	0.1783