! Swift/XRT hardness ratio of trigger: 146970, name: GRB 050721
 ! T0 for this burst is Swift MET=143612953.92 s, = 2005 Jul 21 at 04:29:14.287 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
! WT -- hard data
!Time		Err (pos)	Err(neg)	Rate		Error
197.536	3.245	-3.267	10.897849	1.382698
204.834	3.813	-4.052	10.437783	1.229111
212.628	4.599	-3.982	10.418514	1.191587
222.145	4.108	-4.918	8.741246	1.057907
229.784	3.413	-3.531	7.040714	1.049568
237.365	4.934	-4.168	8.490619	1.014824
247.336	6.630	-5.037	5.926531	0.763313
257.663	4.815	-3.697	5.872397	0.865838
266.915	4.804	-4.437	6.232158	0.856054
278.423	5.604	-6.704	5.899858	0.726223
288.130	4.760	-4.104	5.387644	0.821609
298.737	4.819	-5.847	4.688555	0.691290
309.471	4.589	-5.915	4.450997	0.678771
NO	NO	NO	NO	NO
! WT -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
197.536	3.245	-3.267	7.747739	1.154967
204.834	3.813	-4.052	6.065703	0.955229
212.628	4.599	-3.982	5.868660	0.874849
222.145	4.108	-4.918	5.308251	0.843852
229.784	3.413	-3.531	7.869374	1.122763
237.365	4.934	-4.168	4.997430	0.788871
247.336	6.630	-5.037	2.706385	0.526926
257.663	4.815	-3.697	3.739985	0.704974
266.915	4.804	-4.437	3.562447	0.659905
278.423	5.604	-6.704	3.517949	0.569692
288.130	4.760	-4.104	3.588178	0.698609
298.737	4.819	-5.847	2.985983	0.562847
309.471	4.589	-5.915	3.136004	0.580911
NO	NO	NO	NO	NO
! WT -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
197.536	3.245	-3.267	1.406584	0.275346
204.834	3.813	-4.052	1.720787	0.338372
212.628	4.599	-3.982	1.775280	0.333560
222.145	4.108	-4.918	1.646728	0.329009
229.784	3.413	-3.531	0.894698	0.184617
237.365	4.934	-4.168	1.698997	0.336401
247.336	6.630	-5.037	2.189833	0.511200
257.663	4.815	-3.697	1.570166	0.375759
266.915	4.804	-4.437	1.749404	0.403432
278.423	5.604	-6.704	1.677073	0.341133
288.130	4.760	-4.104	1.501499	0.371338
298.737	4.819	-5.847	1.570188	0.375764
309.471	4.589	-5.915	1.419321	0.340546
NO	NO	NO	NO	NO
! PC -- hard data
!Time		Err (pos)	Err(neg)	Rate		Error
344.173	22.916	-19.708	4.389718	0.717629
404.824	32.470	-37.735	2.925768	0.454303
471.643	30.840	-34.350	2.477408	0.433953
534.574	28.085	-32.091	2.694249	0.471516
599.926	37.952	-37.267	2.095344	0.372108
683.812	61.880	-45.934	1.089164	0.223962
826.250	82.417	-80.558	0.827605	0.158220
988.801	110.421	-80.134	0.752548	0.139022
1237.201	225.577	-137.979	0.603771	0.090576
17552.672	1267.991	-1303.322	0.013419	0.002694
23238.968	1110.498	-1246.364	0.013915	0.002871
43739.791	4007.059	-3640.280	0.008472	0.001803
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
344.173	22.916	-19.708	2.422185	0.533767
404.824	32.470	-37.735	1.379663	0.313545
471.643	30.840	-34.350	1.587171	0.346832
534.574	28.085	-32.091	1.629710	0.367639
599.926	37.952	-37.267	1.309194	0.294467
683.812	61.880	-45.934	0.932761	0.209976
826.250	82.417	-80.558	0.583851	0.134688
988.801	110.421	-80.134	0.513519	0.116773
1237.201	225.577	-137.979	0.388503	0.073140
17552.672	1267.991	-1303.322	0.025477	0.003720
23238.968	1110.498	-1246.364	0.014213	0.002935
43739.791	4007.059	-3640.280	0.010781	0.002062
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
344.173	22.916	-19.708	1.812296	0.497266
404.824	32.470	-37.735	2.120639	0.583691
471.643	30.840	-34.350	1.560896	0.437147
534.574	28.085	-32.091	1.653208	0.472010
599.926	37.952	-37.267	1.600483	0.458665
683.812	61.880	-45.934	1.167678	0.356014
826.250	82.417	-80.558	1.417492	0.424695
988.801	110.421	-80.134	1.465471	0.429352
1237.201	225.577	-137.979	1.554095	0.374106
17552.672	1267.991	-1303.322	0.526701	0.130752
23238.968	1110.498	-1246.364	0.978982	0.285789
43739.791	4007.059	-3640.280	0.785810	0.224846