! Swift/XRT hardness ratio of trigger: 19863, name: GRB 250610B
 ! T0 for this burst is Swift MET=771266034.77 s, = 2025 Jun 10 at 16:33:19.000 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
3183.644	311.851	-279.877	0.032438	0.008458
3816.411	288.363	-320.916	0.031297	0.008192
4387.312	238.970	-282.538	0.043613	0.010381
17161.088	64671.220	-8562.051	0.017019	0.004183
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
3183.644	311.851	-279.877	0.062502	0.011754
3816.411	288.363	-320.916	0.068387	0.012135
4387.312	238.970	-282.538	0.079623	0.014066
17161.088	64671.220	-8562.051	0.025920	0.005191
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
3183.644	311.851	-279.877	0.518994	0.166844
3816.411	288.363	-320.916	0.457644	0.144724
4387.312	238.970	-282.538	0.547739	0.162354
17161.088	64671.220	-8562.051	0.656600	0.208184