! Swift/XRT hardness ratio of trigger: 3000066, name: GRB 250901A
 ! T0 for this burst is Swift MET=778443293.265 s, = 2025 Sep 01 at 18:14:48.265 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
2717.680	168.794	-124.563	0.064134	0.016764
3111.248	193.948	-224.774	0.059683	0.013579
3716.636	493.696	-411.440	0.039853	0.007586
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
2717.680	168.794	-124.563	0.124910	0.023361
3111.248	193.948	-224.774	0.077804	0.015477
3716.636	493.696	-411.440	0.082841	0.010916
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
2717.680	168.794	-124.563	0.513443	0.165027
3111.248	193.948	-224.774	0.767092	0.231828
3716.636	493.696	-411.440	0.481076	0.111377