! Swift/XRT hardness ratio of trigger: 1015919, name: GRB 210104B
 ! T0 for this burst is Swift MET=631487437.12 s, = 2021 Jan 04 at 21:10:10.847 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
246.389	215.312	-145.742	0.410996	0.049424
601.039	148.999	-139.338	0.506956	0.061276
5251.132	137.262	-203.734	0.117661	0.020588
5622.424	217.288	-234.030	0.090634	0.015730
6156.362	327.720	-316.650	0.078483	0.012215
12319.602	4380.173	-2548.973	0.052039	0.009547
25129.601	3751.594	-3090.323	0.028184	0.003947
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
246.389	215.312	-145.742	0.115874	0.026330
601.039	148.999	-139.338	0.256141	0.043534
5251.132	137.262	-203.734	0.070621	0.015995
5622.424	217.288	-234.030	0.050272	0.011824
6156.362	327.720	-316.650	0.029041	0.007541
12319.602	4380.173	-2548.973	0.036900	0.008073
25129.601	3751.594	-3090.323	0.011757	0.002556
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
246.389	215.312	-145.742	3.546923	0.911883
601.039	148.999	-139.338	1.979207	0.412779
5251.132	137.262	-203.734	1.666077	0.476851
5622.424	217.288	-234.030	1.802879	0.526991
6156.362	327.720	-316.650	2.702463	0.818106
12319.602	4380.173	-2548.973	1.410281	0.402666
25129.601	3751.594	-3090.323	2.397317	0.619882