! Swift/XRT detailed lightcurve of trigger: 361489, name: GRB 090831C
 ! T0 for this burst is Swift MET=273447030.976 s, = 2009 Aug 31 at 21:30:25.930 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
NO	NO	NO	NO	NO
! PC data
155.331	10.435	-27.175	2.161374e+00	4.449589e-01	-4.449589e-01	5.331292e-03	2.015039e-03	1.000000
172.347	5.957	-6.580	6.042795e+00	1.293453e+00	-1.293453e+00	6.854513e-03	3.957455e-03	1.000000
183.301	5.032	-4.997	8.409543e+00	1.720757e+00	-1.720757e+00	5.712098e-03	4.039063e-03	1.000000
192.823	5.539	-4.490	7.114919e+00	1.604931e+00	-1.604931e+00	1.713630e-02	6.995863e-03	1.000000
206.588	9.325	-8.226	4.089369e+00	8.960925e-01	-8.960925e-01	4.896087e-03	2.826757e-03	1.000000
224.487	11.484	-8.574	3.519874e+00	7.905128e-01	-7.905128e-01	4.284069e-03	2.473409e-03	1.000000
261.618	37.036	-25.647	1.139398e+00	2.581518e-01	-2.581518e-01	4.112711e-03	1.370904e-03	1.000000
349.665	44.266	-51.011	7.768013e-01	1.718896e-01	-1.718896e-01	3.006367e-03	9.506967e-04	1.000000
431.075	35.569	-37.143	9.638604e-01	2.190249e-01	-2.190249e-01	4.333315e-03	1.306544e-03	1.000000
495.703	48.668	-29.059	9.095342e-01	2.048659e-01	-2.048659e-01	1.842613e-03	8.240414e-04	1.000000
587.075	57.588	-42.704	6.972628e-01	1.577457e-01	-1.577457e-01	2.284838e-03	8.078120e-04	1.000000
732.508	70.116	-87.845	2.388675e-01	5.421217e-02	-5.421217e-02	1.841533e-03	5.823438e-04	0.999985
854.993	57.953	-52.369	2.511747e-01	5.650003e-02	-5.650003e-02	1.061587e-03	5.307936e-04	1.000000
1062.825	138.459	-149.880	1.231031e-01	2.498214e-02	-2.498214e-02	4.772564e-03	6.961500e-04	1.000000
4930.485	485.216	-482.605	2.468713e-02	6.527543e-03	-6.527543e-03	3.754065e-04	5.535067e-05	0.966320
6123.735	864.048	-708.034	2.087677e-02	4.719228e-03	-4.719228e-03	4.694580e-04	4.816537e-05	0.982452
10802.669	489.014	-576.592	2.066653e-02	5.484115e-03	-5.484115e-03	3.796202e-04	4.942234e-05	0.997646
12015.460	755.747	-723.778	2.479034e-02	5.187323e-03	-5.187323e-03	7.732898e-04	6.094378e-05	0.962569
17379.709	1161.063	-1245.716	1.034560e-02	2.578132e-03	-2.578132e-03	4.101932e-04	2.784573e-05	0.985510
25451.276	4654.988	-3659.763	8.162698e-03	1.886560e-03	-1.886560e-03	2.594249e-04	1.231176e-05	0.542787
52272.203	6764.043	-7334.875	4.157126e-03	9.814705e-04	-9.814705e-04	3.709287e-04	1.246863e-05	0.513058
69075.238	1540.220	-903.961	5.198812e-03	2.078418e-03	-1.660766e-03	2.299823e-04	1.728652e-05	0.975559