! Swift/XRT hardness ratio of trigger: 430172, name: GRB 100728B
 ! T0 for this burst is Swift MET=302005921.856 s, = 2010 Jul 28 at 10:31:55.829 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
3631.285	142.914	-150.441	0.080319	0.018337
3887.578	197.528	-113.378	0.147854	0.030549
4393.899	210.220	-308.793	0.099607	0.022623
4862.256	253.354	-258.137	0.079891	0.018127
5360.488	231.508	-244.878	0.060022	0.012406
9679.631	796.747	-3697.769	0.015431	0.004040
10961.292	452.811	-484.914	0.023033	0.005649
16067.670	1306.462	-1022.819	0.012440	0.002653
30641.522	73267.455	-9700.288	0.001953	0.000538
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
3631.285	142.914	-150.441	0.106263	0.020950
3887.578	197.528	-113.378	0.105549	0.023653
4393.899	210.220	-308.793	0.119968	0.024295
4862.256	253.354	-258.137	0.092718	0.018694
5360.488	231.508	-244.878	0.098087	0.015808
9679.631	796.747	-3697.769	0.037152	0.006226
10961.292	452.811	-484.914	0.038013	0.007223
16067.670	1306.462	-1022.819	0.015799	0.002984
30641.522	73267.455	-9700.288	0.004259	0.000776
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
3631.285	142.914	-150.441	0.755847	0.228003
3887.578	197.528	-113.378	1.400814	0.426979
4393.899	210.220	-308.793	0.830278	0.252652
4862.256	253.354	-258.137	0.861660	0.261543
5360.488	231.508	-244.878	0.611934	0.160385
9679.631	796.747	-3697.769	0.415343	0.129110
10961.292	452.811	-484.914	0.605938	0.187988
16067.670	1306.462	-1022.819	0.787348	0.224299
30641.522	73267.455	-9700.288	0.458603	0.151512