! Swift/XRT hardness ratio of trigger: 279935, name: GRB 070521
 ! T0 for this burst is Swift MET=201423072.832 s, = 2007 May 21 at 06:51:10.863 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
186.255	109.553	-81.003	3.086617	0.354821
357.333	83.900	-61.525	3.253868	0.441648
524.184	115.123	-82.951	2.151206	0.312619
4811.477	148.096	-125.202	0.367647	0.054495
5120.508	172.538	-160.935	0.473094	0.056013
5465.506	145.970	-172.460	0.394487	0.052077
5781.808	190.721	-170.333	0.353035	0.046587
6113.306	130.014	-140.776	0.407308	0.057756
6513.658	301.315	-270.339	0.373503	0.038468
10751.625	197.258	-279.132	0.171155	0.034583
11155.405	214.708	-206.522	0.142935	0.021189
11528.347	102.526	-158.235	0.125898	0.025362
11794.160	150.128	-163.286	0.133601	0.023768
12185.200	215.419	-240.912	0.128548	0.019318
12685.590	346.858	-284.972	0.125533	0.016406
16638.229	307.115	-362.339	0.089920	0.014658
17266.979	387.935	-321.635	0.079954	0.013434
17926.706	302.382	-271.792	0.090902	0.015920
18531.428	286.865	-302.340	0.083016	0.015043
22421.089	403.491	-361.240	0.033511	0.007430
23214.277	395.091	-389.698	0.046772	0.008653
24078.984	523.267	-469.615	0.043431	0.007428
48962.246	4569.972	-2938.574	0.008247	0.001610
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
186.255	109.553	-81.003	0.822890	0.186330
357.333	83.900	-61.525	1.182021	0.266526
524.184	115.123	-82.951	0.906294	0.200686
4811.477	148.096	-125.202	0.159083	0.035730
5120.508	172.538	-160.935	0.130627	0.029569
5465.506	145.970	-172.460	0.136987	0.031009
5781.808	190.721	-170.333	0.118642	0.026886
6113.306	130.014	-140.776	0.162347	0.036423
6513.658	301.315	-270.339	0.125336	0.022145
10751.625	197.258	-279.132	0.117143	0.027907
11155.405	214.708	-206.522	0.062105	0.013966
11528.347	102.526	-158.235	0.101574	0.022790
11794.160	150.128	-163.286	0.071409	0.017365
12185.200	215.419	-240.912	0.046065	0.011647
12685.590	346.858	-284.972	0.051414	0.010491
16638.229	307.115	-362.339	0.047080	0.010617
17266.979	387.935	-321.635	0.044812	0.010129
17926.706	302.382	-271.792	0.041676	0.010816
18531.428	286.865	-302.340	0.072142	0.013987
22421.089	403.491	-361.240	0.024441	0.006375
23214.277	395.091	-389.698	0.023483	0.006131
24078.984	523.267	-469.615	0.035968	0.006739
48962.246	4569.972	-2938.574	0.005959	0.001369
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
186.255	109.553	-81.003	3.750949	0.952525
357.333	83.900	-61.525	2.752800	0.724491
524.184	115.123	-82.951	2.373630	0.628687
4811.477	148.096	-125.202	2.311033	0.621908
5120.508	172.538	-160.935	3.621710	0.925190
5465.506	145.970	-172.460	2.879731	0.754618
5781.808	190.721	-170.333	2.975645	0.780328
6113.306	130.014	-140.776	2.508878	0.665872
6513.658	301.315	-270.339	2.980020	0.609449
10751.625	197.258	-279.132	1.461084	0.456414
11155.405	214.708	-206.522	2.301502	0.619884
11528.347	102.526	-158.235	1.239466	0.373741
11794.160	150.128	-163.286	1.870922	0.563724
12185.200	215.419	-240.912	2.790587	0.820807
12685.590	346.858	-284.972	2.441607	0.591629
16638.229	307.115	-362.339	1.909941	0.531438
17266.979	387.935	-321.635	1.784211	0.502494
17926.706	302.382	-271.792	2.181137	0.682880
18531.428	286.865	-302.340	1.150723	0.305377
22421.089	403.491	-361.240	1.371082	0.469372
23214.277	395.091	-389.698	1.991688	0.637321
24078.984	523.267	-469.615	1.207487	0.306311
48962.246	4569.972	-2938.574	1.384050	0.417181