! Swift/XRT hardness ratio of trigger: 879909, name: GRB 181228A
 ! T0 for this burst is Swift MET=567658419.776 s, = 2018 Dec 28 at 02:53:17.622 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
245.957	304.246	-45.673	4.500424	0.950247
573.436	26.914	-23.232	2.463864	0.497513
648.141	52.502	-47.791	2.177681	0.330309
729.572	26.233	-28.929	2.530697	0.482360
791.094	39.931	-35.289	1.717898	0.338848
876.615	64.732	-45.590	1.843786	0.289211
1003.207	43.448	-61.860	1.561533	0.273804
1084.012	57.921	-37.357	1.045390	0.234805
1282.924	132.298	-140.990	0.969521	0.133929
13263.591	315.499	-389.052	0.067146	0.011473
39746.154	14381.979	-21101.585	0.014621	0.002321
109576.567	287641.471	-52175.612	0.005506	0.001119
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
245.957	304.246	-45.673	3.833747	0.861744
573.436	26.914	-23.232	1.980851	0.444919
648.141	52.502	-47.791	1.039486	0.228128
729.572	26.233	-28.929	1.809504	0.407041
791.094	39.931	-35.289	1.319454	0.297251
876.615	64.732	-45.590	0.894756	0.202180
1003.207	43.448	-61.860	0.941957	0.212526
1084.012	57.921	-37.357	1.044278	0.234205
1282.924	132.298	-140.990	0.569600	0.103089
13263.591	315.499	-389.052	0.040460	0.008932
39746.154	14381.979	-21101.585	0.010120	0.001922
109576.567	287641.471	-52175.612	0.003168	0.000853
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
245.957	304.246	-45.673	1.173897	0.362025
573.436	26.914	-23.232	1.243841	0.375679
648.141	52.502	-47.791	2.094960	0.558889
729.572	26.233	-28.929	1.398559	0.412351
791.094	39.931	-35.289	1.301976	0.389851
876.615	64.732	-45.590	2.060657	0.566822
1003.207	43.448	-61.860	1.657754	0.473696
1084.012	57.921	-37.357	1.001064	0.317747
1282.924	132.298	-140.990	1.702109	0.387536
13263.591	315.499	-389.052	1.659550	0.463288
39746.154	14381.979	-21101.585	1.444752	0.357592
109576.567	287641.471	-52175.612	1.737770	0.586271