! Swift/XRT detailed lightcurve of trigger: 20895, name: GRB 190531B - source 7
 ! Swift/XRT lightcurve of trigger: 20895, name: GRB 190531B - source 7
 ! 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
26256.309	3466.818	-8062.465	5.745262e-03	1.554224e-03	-1.554224e-03	1.368453e-04	8.620443e-06	0.432552
NO	NO	NO	NO	NO	NO
! PC Upper limit
124365.826	2416.450	-3399.456	6.9656e-03	0.0000e+00	0.0000e+00	9.6105e-05	9.1632e-06	0.4281