! Swift/XRT detailed lightcurve of trigger: 20744, name: GRB 170306B - source 4
 ! Swift/XRT lightcurve of trigger: 20744, name: GRB 170306B - source 4
 ! T0 for this burst is Swift MET=510502042.0 s, = 2017 Mar 06 at 14:07:03.277 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
22133.674	7539.165	-4716.031	1.478378e-02	5.016702e-03	-4.095434e-03	9.359716e-05	1.582081e-05	0.104546