! Swift/XRT detailed lightcurve of trigger: 355359, name: GRB 090621B
 ! T0 for this burst is Swift MET=267314850.24 s, = 2009 Jun 21 at 22:07:25.393 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
335.927	496.491	-255.699	2.533518e-02	6.630606e-03	-6.630606e-03	2.669245e-04	5.234821e-05	1.000000