! Swift/XRT detailed lightcurve of trigger: 20161, name: GRB 110428A
 ! T0 for this burst is Swift MET=325675112 s, = 2011 Apr 28 at 09:18:25.100 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
75047.906	59826.388	-19133.274	1.487294e-03	5.380349e-04	-5.380349e-04	2.906529e-04	6.186906e-06	0.186969
NO	NO	NO	NO	NO
! PC upper limits
274861.560	29604.936	-17863.005	1.5891e-03	0.0000e+00	0.0000e+00	2.9639e-04	8.4961e-06	0.1814