! Swift/XRT hardness ratio of trigger: 19877, name: EP#01709178975 - source 1
 ! T0 for this burst is Swift MET=771852161.811 s, = 2025 Jun 17 at 11:22:06.000 UT

 ! The hard band is 1.51-10 keV
 ! The soft band is 0.3-1.5 keV
 ! For details of light-curve production, see Evans et al. 2007, A&A, 469, 379
 ! There are 3 datasets: Hard, Soft, and the ratio
 ! Columns are as labelled
 ! BINMODE: GRB-like (counts)

READ TERR 1
READ SERR 2
NO	NO	NO	NO	NO
! PC -- hard data
!Time		Err (pos)	Err(neg)	Rate		Error
2267.512	69.996	-72.922	0.324844	0.071909
2402.947	59.926	-65.440	0.357966	0.081257
2552.652	88.240	-89.779	0.254365	0.057660
2717.544	66.266	-76.651	0.314137	0.070820
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
2267.512	69.996	-72.922	0.646516	0.101598
2402.947	59.926	-65.440	0.674301	0.111294
2552.652	88.240	-89.779	0.839331	0.104301
2717.544	66.266	-76.651	0.870381	0.118120
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
2267.512	69.996	-72.922	0.502454	0.136402
2402.947	59.926	-65.440	0.530870	0.148992
2552.652	88.240	-89.779	0.303057	0.078343
2717.544	66.266	-76.651	0.360919	0.094972