! Swift/XRT detailed lightcurve of trigger: 20895, name: GRB 190531B - source 4
 ! Swift/XRT lightcurve of trigger: 20895, name: GRB 190531B - source 4
 ! 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
22161.994	7561.135	-3968.149	6.643343e-03	1.674989e-03	-1.674989e-03	1.295579e-04	8.294094e-06	0.432552
121929.517	4852.760	-963.151	3.868065e-03	1.926909e-03	-1.461465e-03	1.199850e-04	1.028863e-05	0.428093