! 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
245.015	305.189	-44.730	4.763287	0.983892
573.436	26.914	-23.232	2.463052	0.497349
648.141	52.502	-47.791	2.177407	0.330268
729.572	26.233	-28.929	2.528987	0.482034
791.094	39.931	-35.289	1.714823	0.338241
876.615	64.732	-45.590	1.844451	0.289315
1003.207	43.448	-61.860	1.561458	0.273791
1084.012	57.921	-37.357	1.044296	0.234559
1282.924	132.298	-140.990	0.969450	0.133919
13272.103	306.988	-397.564	0.066789	0.011318
39738.667	14389.466	-21094.098	0.019857	0.003113
100741.196	296040.575	-43340.240	0.005413	0.001147
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
245.015	305.189	-44.730	3.871457	0.870157
573.436	26.914	-23.232	1.981071	0.444968
648.141	52.502	-47.791	1.039181	0.228061
729.572	26.233	-28.929	1.808666	0.406853
791.094	39.931	-35.289	1.316534	0.296593
876.615	64.732	-45.590	0.894460	0.202113
1003.207	43.448	-61.860	0.941872	0.212507
1084.012	57.921	-37.357	1.043521	0.234035
1282.924	132.298	-140.990	0.569240	0.103024
13272.103	306.988	-397.564	0.040966	0.008888
39738.667	14389.466	-21094.098	0.012272	0.002373
100741.196	296040.575	-43340.240	0.003397	0.000911
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
245.015	305.189	-44.730	1.230360	0.375580
573.436	26.914	-23.232	1.243293	0.375513
648.141	52.502	-47.791	2.095311	0.558983
729.572	26.233	-28.929	1.398261	0.412263
791.094	39.931	-35.289	1.302529	0.390017
876.615	64.732	-45.590	2.062083	0.567214
1003.207	43.448	-61.860	1.657823	0.473716
1084.012	57.921	-37.357	1.000743	0.317645
1282.924	132.298	-140.990	1.703061	0.387752
13272.103	306.988	-397.564	1.630336	0.448837
39738.667	14389.466	-21094.098	1.618113	0.402843
100741.196	296040.575	-43340.240	1.593277	0.544467