! Swift/XRT lightcurve of trigger: 375246, name: GRB 091109
 ! T0 for this burst is Swift MET=279435468.6 s, = 2009 Nov 09 at 04:57:43.364 UT
 ! Data covers 0.3-10 keV
 ! The data are in 5 columns:  ! time, time error (+ve), time error (-ve), source count-rate, 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/00375246
READ TERR 1
READ SERR 2
! WTSLEW data
!TIME		Err (pos)	Err(neg)	Rate		Error
140.382237802901	3.65235321625289	-4.58241280700909	8.51010457395366	1.99854357079835
NO	NO	NO	NO	NO
! WT data
!TIME		Err (pos)	Err(neg)	Rate		Error
156.786308	1.786064	-2.399186	7.045930	1.403935
162.273186	3.205866	-3.700815	4.503173	0.839991
168.414508	3.316372	-2.935455	4.888860	0.931953
NO	NO	NO	NO	NO
! PC data
!TIME		Err (pos)	Err(neg)	Rate		Error
180.514491	7.253900	-5.282708	3.365317	0.737873
192.107260	5.690372	-4.338868	5.011582	1.006327
205.934305	6.907267	-8.136673	2.778905	0.615159
219.793534	8.091917	-6.951963	2.804440	0.614896
239.603664	8.340328	-11.718212	2.103327	0.461171
257.981659	17.542853	-10.037667	1.449556	0.327392
294.264498	13.855154	-18.739987	1.371706	0.287681
356.222261	37.146231	-48.102609	0.498894	0.109560
452.103187	46.572765	-58.734695	0.384516	0.086555
550.696752	58.301259	-52.020801	0.364662	0.082638
650.053230	41.686282	-41.055218	0.386400	0.086986
741.087146	45.920534	-49.347634	0.261215	0.054629
4264.902306	117.267366	-120.927482	0.069751	0.018063
4457.816651	122.430821	-75.646979	0.083151	0.021725
4677.635209	110.719443	-97.387737	0.079143	0.020678
4918.130602	123.462930	-129.775950	0.067283	0.017595
5184.990829	129.900203	-143.397297	0.062232	0.016304
5500.772815	210.274537	-185.881783	0.043010	0.011248
5918.121191	186.575541	-207.073839	0.043519	0.011319
6364.030497	204.510903	-259.333765	0.036313	0.009565
10342.642237	186.679175	-367.437593	0.030993	0.008104
11042.550831	289.112260	-513.229420	0.020908	0.005588
11889.187604	460.438316	-557.524513	0.028052	0.005684
16031.008406	358.781145	-363.325783	0.022597	0.006073
16857.102132	350.073240	-467.312581	0.020204	0.005364
17679.281843	453.085597	-472.106471	0.019250	0.004894
22594.086161	1320.048959	-903.933998	0.007515	0.002096
28551.914540	1144.515040	-831.244617	0.010645	0.002601
36396.836593	4389.431667	-2648.545029	0.008009	0.001980
50654.113612	7942.150928	-4758.128609	0.006619	0.001515
89703.318655	3597.445745	-4633.568332	0.004196	0.001090
201270.918027	53318.525953	-46137.294123	0.001548	0.000435
367436.312376	164234.189144	-107054.326693	0.000656	0.000200
NO	NO	NO	NO	NO
! PC Upper limit
652149.220965	162708.300185	-114858.936602	0.000858	0.000000