! Swift/XRT lightcurve of trigger: 350184, name: GRB 090423
 ! T0 for this burst is Swift MET=262166124.0 s, = 2009 Apr 23 at 07:55:19.350 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/00350184
READ TERR 1
READ SERR 2
! PC data
!TIME		Err (pos)	Err(neg)	Flux		Error
135.551680	19.616731	-55.602797	4.059779e-11	8.941075e-12
160.309872	4.887859	-5.141461	3.62991163e-10	7.316122e-11
170.514588	4.712384	-5.316856	5.09268134e-10	8.6557806e-11
180.012452	5.243759	-4.785481	3.44330013e-10	7.1722489e-11
194.334285	8.473167	-9.078073	1.73221515e-10	3.8326554e-11
214.854660	13.025972	-12.047208	1.15942424e-10	2.617727e-11
256.318148	51.796643	-28.437517	3.6063846e-11	8.182124e-12
401.975652	59.085460	-93.860860	1.1109278e-11	2.509323e-12
600.077499	116.729733	-139.016387	6.466233e-12	1.074692e-12
3953.139982	46.085189	-41.670859	9.869028e-12	2.215804e-12
4057.000506	52.546586	-57.775334	7.850352e-12	1.76259e-12
4161.894326	30.394166	-52.347234	1.0425972e-11	2.350448e-12
4240.537729	34.492203	-48.249237	1.1517966e-11	2.464756e-12
4330.322478	52.522113	-55.292547	8.032925e-12	1.803549e-12
4445.014325	50.659527	-62.169733	7.675897e-12	1.723394e-12
4561.094323	64.960049	-65.420471	6.642615e-12	1.491416e-12
4689.197407	87.296065	-63.143035	5.688996e-12	1.29314e-12
4848.769572	53.089820	-72.276100	7.255073e-12	1.589365e-12
4954.502863	45.141988	-52.643472	9.196874e-12	2.03852e-12
5068.720805	53.782707	-69.075953	7.347692e-12	1.622247e-12
5160.284379	70.033913	-37.780867	8.032925e-12	1.803549e-12
5290.720592	34.875860	-60.402300	9.546153e-12	2.091246e-12
5396.218737	54.743755	-70.622285	6.826787e-12	1.551768e-12
5517.832860	38.437032	-66.870368	8.22419e-12	1.846517e-12
5641.419048	82.841204	-85.149156	5.114914e-12	1.157881e-12
5810.516277	61.675675	-86.256025	5.854513e-12	1.31446e-12
5958.174764	82.007388	-85.982812	5.155463e-12	1.157512e-12
6095.619881	74.942711	-55.437729	6.616498e-12	1.491621e-12
6252.138189	63.848643	-81.575597	5.908592e-12	1.337543e-12
6399.391409	99.619271	-83.404577	6.101333e-12	1.211755e-12
9842.421831	76.201620	-146.949448	3.01432e-12	7.8105e-13
9986.932223	109.710689	-68.308771	5.042303e-12	1.130452e-12
10219.179815	148.253417	-122.536903	2.475498e-12	6.437e-13
10451.934406	91.011086	-84.501174	3.819314e-12	9.93102e-13
10694.101289	112.112723	-151.155797	2.528675e-12	6.62191e-13
10908.914071	107.914821	-102.700059	3.171801e-12	8.27667e-13
11134.121562	80.785669	-117.292671	3.384222e-12	8.79983e-13
11388.432865	122.337987	-173.525633	2.265701e-12	5.89129e-13
11705.283129	206.658423	-194.512277	1.676695e-12	4.34436e-13
12088.427076	194.586964	-176.485524	2.419e-12	5.42348e-13
15662.305072	275.441519	-155.816749	1.586618e-12	4.16314e-13
16176.598448	139.752984	-238.851856	1.832577e-12	4.74124e-13
16565.946275	297.000736	-249.594844	1.251812e-12	3.28451e-13
17043.237761	258.490011	-180.290749	1.565626e-12	4.09139e-13
17834.625175	3477.217105	-532.897403	1.513269e-12	2.9848e-13
38998.783156	2074.181456	-4956.988412	5.02783e-13	1.21565e-13
51656.380306	12685.259294	-5701.659523	3.54199e-13	8.7412e-14
94903.883742	38744.960538	-21563.810199	1.10454e-13	3.1324e-14
235289.579759	87663.541121	-92455.424996	3.3292e-14	9.799e-15
445080.148866	231439.697394	-120900.640503	1.0783e-14	3.813e-15