! Swift/XRT hardness ratio of trigger: 21534, name: GRB 221231A - source 2
 ! T0 for this burst is Swift MET=694215995.756 s, = 2022 Dec 31 at 21:46:05.000 UT

";
 ! T0 for this burst is Swift MET=694215995.756, = 2022 Dec 31 at 21:46:05.000 UT
" if ( defined(694215995.756) && defined(2022 Dec 31 at 21:46:05.000 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
35689.607	8613.268	-3000.346	0.005601	0.001421
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
35689.607	8613.268	-3000.346	0.005175	0.001392
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
35689.607	8613.268	-3000.346	1.082319	0.400144