! Swift/XRT hardness ratio of trigger: 19750, name: GRB 250427A
 ! T0 for this burst is Swift MET=767417939.509 s, = 2025 Apr 27 at 03:38:24.000 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: 

READ TERR 1
READ SERR 2
NO	NO	NO	NO	NO
! PC -- hard data
!Time		Err (pos)	Err(neg)	Rate		Error
23249.363	300.205	-309.075	0.045357	0.010528
23912.012	334.579	-362.444	0.035105	0.008658
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
23249.363	300.205	-309.075	0.034860	0.009385
23912.012	334.579	-362.444	0.036801	0.008868
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
23249.363	300.205	-309.075	1.301120	0.462503
23912.012	334.579	-362.444	0.953897	0.328909