! Swift/XRT detailed lightcurve of trigger: 20895, name: GRB 190531B - source 18
 ! Swift/XRT lightcurve of trigger: 20895, name: GRB 190531B - source 18
 ! T0 for this burst is Swift MET=581026212.0 s, = 2019 May 31 at 20:09:48.951 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
35955.667	90826.609	-17761.820	6.450319e-04	4.847843e-04	-3.451487e-04	1.080371e-04	5.277958e-06	0.068854