! Swift/XRT detailed lightcurve of trigger: 20739, name: GRB 170209A - source 4
 ! Swift/XRT lightcurve of trigger: 20739, name: GRB 170209A - source 4
 ! T0 for this burst is Swift MET=508295318.0 s, = 2017 Feb 09 at 01:08:19.409 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
146691.082	7011.862	-12142.514	2.054951e-03	9.504893e-04	-7.366213e-04	9.020223e-05	7.022234e-06	0.258788