! Swift/XRT hardness ratio of trigger: 19621, name: GRB 250317B
 ! T0 for this burst is Swift MET=763870373.259 s, = 2025 Mar 17 at 02:12:18.000 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
10674.496	436.618	-445.952	0.042636	0.007811
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
10674.496	436.618	-445.952	0.084823	0.010954
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
10674.496	436.618	-445.952	0.502651	0.112660