! Swift/XRT detailed lightcurve of trigger: 21859, name: GRB 250916A
 ! T0 for this burst is Swift MET=779722197.356 s, = 2025 Sep 16 at 13:29:21.014 UT

 ! Data covers 0.3-10 keV
 ! For details of light-curve production, see Evans et al. 2007, A&A, 469, 379
 ! BINMODE: 
READ TERR 1 2
READ SERR 3
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg 	BGrate  	BGerr   	FracExp
! PC data
102568.558	446.137	-484.071	2.564852e-02	6.185330e-03	-6.185330e-03	9.911497e-04	8.692958e-05	1.000000
106865.713	374.950	-289.485	2.975464e-02	7.888221e-03	-7.888221e-03	5.864824e-04	7.768149e-05	1.000000
NO	NO	NO	NO	NO
! PC upper limits
781948.047	14612.021	-48181.442	5.6361e-03	0.0000e+00	0.0000e+00	1.5763e-04	1.1496e-05	0.0540
1734883.713	137.901	-137.901	2.2764e-01	0.0000e+00	0.0000e+00	4.4141e-05	9.2040e-06	1.0000