! Swift/XRT detailed lightcurve of trigger: 21911, name: GRB 260909A - source 1
 ! T0 for this burst is Swift MET=810645557.431 s, = 2026 Sep 09 at 11:18:39.000 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
137995.333	165.941	-290.388	3.407142e-02	1.317246e-02	-1.052549e-02	5.708572e-04	1.025290e-04	1.000000