! Swift/XRT 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
 ! The data are in 5 columns: ";
 ! time, time error (+ve), time error (-ve), source flux, source error
 ! For a detailed description of light curve production, see Evans et al. 2007 (A&A, 469, 379 )
 ! For a detailed description of the file, see
 ! http://www.swift.ac.uk/xrt_curves/docs.php
 ! This lightcurve was obtained from http://www.swift.ac.uk/xrt_curves/00206257
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Flux    	Fluxpos 	Fluxneg
159.277	48.513	-61.808	8.18122286e-11	1.844837834e-11	-1.844837834e-11
257.965	60.146	-50.175	8.18873464e-11	1.840698396e-11	-1.840698396e-11
434.220	297.251	-116.109	4.251723572e-11	9.36781122e-12	-9.36781122e-12
4224.405	138.014	-192.950	4.56071545e-12	1.190684592e-12	-1.190684592e-12
4647.101	327.100	-284.682	2.436108912e-12	6.435684542e-13	-6.435684542e-13
5177.305	165.469	-203.104	4.06636301e-12	1.068229692e-12	-1.068229692e-12
5555.769	193.188	-212.996	3.664163662e-12	9.64974932e-13	-9.64974932e-13
6045.426	473.680	-296.469	4.37369411e-12	8.42849004e-13	-8.42849004e-13
10810.049	1430.988	-1052.383	1.017665028e-12	2.243131208e-13	-2.243131208e-13
22458.811	1389.898	-1125.088	7.562262042e-13	2.821001604e-13	-2.280555942e-13