! Swift/XRT detailed lightcurve of trigger: 20850, name: GRB 181222B - source 1
 ! Swift/XRT lightcurve of trigger: 20850, name: GRB 181222B - source 1
 ! T0 for this burst is Swift MET=567202297.0 s, = 2018 Dec 22 at 20:11:14.848 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
419012.771	2808.459	-4150.996	7.743146e-03	2.042086e-03	-2.042086e-03	1.131083e-04	1.205739e-05	0.398822
426574.054	437.845	-710.499	1.494266e-02	4.859722e-03	-4.003539e-03	1.757521e-04	2.437243e-05	1.000000