! Swift/XRT detailed lightcurve of trigger: 118749, name: GRB 050509B
 ! T0 for this burst is Swift MET=137304018.752 s, = 2005 May 09 at 04:00:19.238 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
270.673	1430.804	-208.970	1.090265e-02	3.022685e-03	-3.022685e-03	6.255735e-04	6.047648e-05	1.000000