! Swift/XRT detailed lightcurve of trigger: 375409, name: GRB 091109B
 ! T0 for this burst is Swift MET=279496148.16 s, = 2009 Nov 09 at 21:49:02.914 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
154.788	114.918	-68.116	2.227141e-01	4.894924e-02	-4.894924e-02	8.126638e-04	2.450274e-04	1.000000
605.985	666.640	-336.279	5.202794e-02	1.034659e-02	-1.034659e-02	8.629055e-04	1.078632e-04	1.000000
5579.719	1456.738	-987.882	1.872839e-02	3.696127e-03	-3.696127e-03	4.847820e-04	3.696428e-05	0.998973
11567.648	1266.170	-1201.657	8.564671e-03	2.359318e-03	-2.359318e-03	3.893603e-04	2.926611e-05	0.976371