! Swift/XRT detailed lightcurve of trigger: 19977, name: EP#01709198202 - source 2
 ! T0 for this burst is Swift MET=775831530.081 s, = 2025 Aug 02 at 12:44:54.000 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
4238.649	1253.668	-498.934	8.329841e-03	3.529575e-03	-2.779911e-03	2.406545e-04	2.469063e-05	1.000000