! Swift/XRT hardness ratio of trigger: 21910, name: GRB 260903A - source 1
 ! T0 for this burst is Swift MET=810131857.394 s, = 2026 Sep 03 at 12:36:58.978 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
517165.168	20455.445	-18797.119	0.024915	0.005146
549177.567	4375.275	-1666.959	0.020759	0.005451
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
517165.168	20455.445	-18797.119	0.019618	0.004582
549177.567	4375.275	-1666.959	0.028208	0.006357
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
517165.168	20455.445	-18797.119	1.270012	0.395978
549177.567	4375.275	-1666.959	0.735909	0.254632