! Swift/XRT detailed lightcurve of trigger: 206257, name: GRB 060421
 ! T0 for this burst is Swift MET=167272764.48 s, = 2006 Apr 21 at 00:39:23.335 UT

 ! Data covers 0.3-10 keV
 ! For details of light-curve production, see Evans et al. 2007, A&A, 469, 379
 ! BINMODE: GRB-like (counts)
READ TERR 1 2
READ SERR 3
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg 	BGrate  	BGerr   	FracExp
! PC data
159.277	48.513	-61.808	1.079317e+00	2.433823e-01	-2.433823e-01	1.503837e-03	5.316865e-04	1.000000
257.965	60.146	-50.175	1.080308e+00	2.428362e-01	-2.428362e-01	9.398975e-04	4.203349e-04	1.000000
434.220	297.251	-116.109	5.609134e-01	1.235859e-01	-1.235859e-01	3.193209e-03	5.558664e-04	0.533777
4224.405	138.014	-192.950	6.016775e-02	1.570824e-02	-1.570824e-02	4.968756e-04	1.171147e-04	1.000000
4647.101	327.100	-284.682	3.213864e-02	8.490349e-03	-8.490349e-03	5.525369e-04	9.083650e-05	1.000000
5177.305	165.469	-203.104	5.364595e-02	1.409274e-02	-1.409274e-02	6.940486e-04	1.311629e-04	1.000000
5555.769	193.188	-212.996	4.833989e-02	1.273054e-02	-1.273054e-02	7.197535e-04	1.272357e-04	1.000000
6045.426	473.680	-296.469	5.770045e-02	1.111938e-02	-1.111938e-02	8.565022e-04	1.115071e-04	0.817155
10810.049	1430.988	-1052.383	1.342566e-02	2.959276e-03	-2.959276e-03	5.157433e-04	4.169538e-05	0.966221
19758.421	4090.288	-4212.103	7.359870e-03	1.892282e-03	-1.892282e-03	2.134516e-04	1.149185e-05	0.542991
39706.375	12718.366	-12590.758	3.240394e-03	8.547269e-04	-8.547269e-04	2.308479e-04	7.366653e-06	0.423115
101832.421	111802.264	-45812.620	5.365288e-04	1.904830e-04	-1.904830e-04	1.211231e-04	2.582353e-06	0.214150
NO	NO	NO	NO	NO
! PC upper limits
301910.235	39824.603	-82649.063	8.1187e-04	0.0000e+00	0.0000e+00	9.4555e-05	2.6723e-06	0.1559