! 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	2.153636e+00	4.433654e-01	-4.433654e-01	5.330748e-03	2.014833e-03	1.000000
172.347	5.957	-6.580	5.992627e+00	1.282713e+00	-1.282713e+00	6.853813e-03	3.957051e-03	1.000000
183.301	5.032	-4.997	8.624576e+00	1.764756e+00	-1.764756e+00	5.711515e-03	4.038651e-03	1.000000
192.823	5.539	-4.490	6.941706e+00	1.565858e+00	-1.565858e+00	1.713455e-02	6.995149e-03	1.000000
206.588	9.325	-8.226	4.144811e+00	9.082411e-01	-9.082411e-01	4.895587e-03	2.826469e-03	1.000000
224.487	11.484	-8.574	3.544071e+00	7.959467e-01	-7.959467e-01	4.283632e-03	2.473156e-03	1.000000
261.618	37.036	-25.647	1.127895e+00	2.555450e-01	-2.555450e-01	4.112292e-03	1.370764e-03	1.000000
349.665	44.266	-51.011	7.765341e-01	1.718303e-01	-1.718303e-01	3.006060e-03	9.505997e-04	1.000000
431.075	35.569	-37.143	9.705528e-01	2.205453e-01	-2.205453e-01	4.332873e-03	1.306410e-03	1.000000
495.703	48.668	-29.059	9.156884e-01	2.062520e-01	-2.062520e-01	1.842425e-03	8.239573e-04	1.000000
587.075	57.588	-42.704	7.053483e-01	1.595747e-01	-1.595747e-01	2.284604e-03	8.077296e-04	1.000000
732.508	70.116	-87.845	2.412875e-01	5.476131e-02	-5.476131e-02	1.841345e-03	5.822843e-04	0.999985
854.993	57.953	-52.369	2.517519e-01	5.662985e-02	-5.662985e-02	1.061479e-03	5.307394e-04	1.000000
1062.825	138.459	-149.880	1.231202e-01	2.498547e-02	-2.498547e-02	4.772077e-03	6.960790e-04	1.000000
4930.485	485.216	-482.605	2.876424e-02	7.605811e-03	-7.605811e-03	3.758918e-04	5.542223e-05	0.966320
6123.735	864.048	-708.034	2.417454e-02	5.458752e-03	-5.458752e-03	4.552208e-04	4.746005e-05	0.982452
10802.669	489.014	-576.592	1.903137e-02	5.052739e-03	-5.052739e-03	3.864576e-04	5.031249e-05	0.997646
12015.460	755.747	-723.778	2.316649e-02	4.853008e-03	-4.853008e-03	7.921072e-04	6.223382e-05	0.962569
17444.553	1096.219	-1310.560	1.506206e-02	3.973754e-03	-3.973754e-03	3.528241e-04	2.446395e-05	0.985510
25451.276	4654.988	-3659.763	9.153952e-03	2.114512e-03	-2.114512e-03	2.570460e-04	1.225419e-05	0.542787
37469.527	4220.375	-3703.135	5.037931e-03	1.385220e-03	-1.385220e-03	2.028601e-04	1.161573e-05	0.568006
48146.650	5120.561	-3209.321	3.911804e-03	1.186248e-03	-1.186248e-03	4.705859e-04	1.790193e-05	0.567687
60077.583	4746.406	-3573.476	4.600966e-03	1.201860e-03	-1.201860e-03	2.409084e-04	1.240741e-05	0.605739
76283.514	11681.001	-8112.238	3.873747e-03	7.886985e-04	-7.886985e-04	2.048758e-04	8.123853e-06	0.495044
127987.888	16938.415	-13264.915	2.558177e-03	6.967528e-04	-6.967528e-04	1.491501e-04	6.454356e-06	0.291296
NO	NO	NO	NO	NO
! PC upper limits
150276.292	409.944	-966.569	9.2188e-03	0.0000e+00	0.0000e+00	1.3058e-04	1.3614e-05	0.9982