! Swift/XRT detailed lightcurve of trigger: 20887, name: GRB 190404B - source 3
 ! Swift/XRT lightcurve of trigger: 20887, name: GRB 190404B - source 3
 ! T0 for this burst is Swift MET=576076414.0 s, = 2019 Apr 04 at 13:13:11.316 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
9730.314	9324.347	-2302.088	2.354955e-02	3.938523e-03	-3.938523e-03	2.543980e-04	1.956908e-05	0.212420
273277.386	17687.694	-46633.612	3.627213e-03	2.367286e-03	-1.684169e-03	2.099331e-04	2.176905e-05	0.023350