! Swift/XRT detailed lightcurve of trigger: 20887, name: GRB 190404B - source 2
 ! Swift/XRT lightcurve of trigger: 20887, name: GRB 190404B - source 2
 ! T0 for this burst is Swift MET=576076414.0 s, = 2019 Apr 04 at 13:13:11.263 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
10577.112	5065.986	-2501.287	6.817290e-03	3.792667e-03	-2.801271e-03	2.271451e-04	2.622846e-05	0.156721