! Swift/XRT hardness ratio of trigger: 19631, name: EP250321a - source 4
 ! T0 for this burst is Swift MET=764230234.285 s, = 2025 Mar 21 at 06:09:59.000 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
43195.847	19827.655	-32983.733	0.008070	0.001920
206775.527	13398.935	-20680.645	0.008863	0.002045
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
43195.847	19827.655	-32983.733	0.011293	0.002287
206775.527	13398.935	-20680.645	0.016424	0.002784
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
43195.847	19827.655	-32983.733	0.714640	0.223258
206775.527	13398.935	-20680.645	0.539669	0.154513