! Swift/XRT detailed lightcurve of trigger: 20885, name: GRB 190331B - source 2
 ! Swift/XRT lightcurve of trigger: 20885, name: GRB 190331B - source 2
 ! T0 for this burst is Swift MET=575697545.0 s, = 2019 Mar 31 at 03:58:42.340 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
169480.089	352092.192	-96190.315	5.844704e-03	1.392206e-03	-1.392206e-03	1.318586e-04	8.910175e-06	0.011835
532019.346	1612.137	-5448.164	1.120551e-02	4.052669e-03	-3.274190e-03	1.222887e-04	1.421577e-05	0.245037