! Swift/XRT hardness ratio of trigger: 1290305, name: GRB 250221A
 ! T0 for this burst is Swift MET=761801712.192 s, = 2025 Feb 21 at 03:34:37.068 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
174.745	44.096	-41.153	0.530022	0.118999
301.170	85.662	-82.329	0.272334	0.061478
495.733	136.812	-108.901	0.300070	0.054130
4965.127	377.093	-686.811	0.021748	0.005691
6014.883	583.492	-672.663	0.028365	0.005537
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
174.745	44.096	-41.153	1.132781	0.173293
301.170	85.662	-82.329	0.564988	0.088587
495.733	136.812	-108.901	0.468749	0.067901
4965.127	377.093	-686.811	0.023334	0.005818
6014.883	583.492	-672.663	0.048507	0.007254
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
174.745	44.096	-41.153	0.467894	0.127118
301.170	85.662	-82.329	0.482018	0.132485
495.733	136.812	-108.901	0.640150	0.148101
4965.127	377.093	-686.811	0.932065	0.336903
6014.883	583.492	-672.663	0.584757	0.143794