! Swift/XRT hardness ratio of trigger: 20849, name: GRB 181225A - source 3
 ! T0 for this burst is Swift MET=567431072.7, = 2018 Dec 25 at 11:44:10.500 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
READ TERR 1 
READ SERR 2
! PC -- hard data
!Time		Err (pos)	Err(neg)	Rate		Error
55318.649	1227.043	-976.873	0.011036	0.002773
61569.625	1052.907	-1471.944	0.013197	0.002770
374644.829	77419.635	-308833.064	0.011344	0.002957
462885.995	5800.670	-6802.797	0.011359	0.002445
NO NO NO NO NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
55318.649	1227.043	-976.873	0.017310	0.003467
61569.625	1052.907	-1471.944	0.008569	0.002235
374644.829	77419.635	-308833.064	0.012148	0.003059
462885.995	5800.670	-6802.797	0.009389	0.002238
NO NO NO NO NO
! PC -- hardness ratio
!Time		Err (pos)	Err(neg)	Rate		Error
55318.649	1227.043	-976.873	0.637571	0.204873
61569.625	1052.907	-1471.944	1.539980	0.515555
374644.829	77419.635	-308833.064	0.933843	0.338446
462885.995	5800.670	-6802.797	1.209793	0.388490