! Swift/XRT lightcurve of trigger: 668641, name: GRB 151228B
 ! T0 for this burst is Swift MET=473035650.56 s, = 2015 Dec 28 at 22:47:14.941 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/00668641
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! WTSLEW data
!Time    	T_+ve   	T_-ve   	Flux    	Fluxpos 	Fluxneg
40.738554877432	0.358298097562752	-0.356899856821151	7.32278140324317e-09	9.53876281983851e-10	-9.17355553661695e-10
41.3511122150359	0.233223784555946	-0.254259240041151	1.01144594810766e-08	2.30177406697732e-09	-2.53143227915824e-09
42.0090868422566	0.400767169382	-0.4247508426648	6.54100874990223e-09	2.38752308653583e-09	-1.50315810020435e-09
42.8422073998413	0.320219625103022	-0.432353388202678	8.10097706429918e-09	1.78663141712045e-09	-1.16221502219123e-09
43.5391534608912	0.356276524735016	-0.376726435946885	8.25961029457202e-09	1.65230890639558e-09	-1.11418155678373e-09
44.2957513018255	0.355810690445907	-0.400321316199296	7.90621400425007e-09	1.50995762788754e-09	-1.1425667730768e-09
45.0319601279179	0.393523890510885	-0.380398135646516	7.69435268507129e-09	1.52957318260861e-09	-1.45185140723791e-09
45.9177774804266	0.528915539543348	-0.492293461997747	5.39399984889219e-09	1.53932167153006e-09	-1.46321915965803e-09
46.8231043682344	0.37437662513949	-0.376411348264512	6.59179490790394e-09	9.90942347800553e-10	-2.32267900472864e-09
48.0377064303137	0.687167589309119	-0.840225436939782	6.21881003563791e-09	8.91432317280156e-10	-1.89956542555012e-09
NO	NO	NO	NO	NO
! WT data
!Time    	T_+ve   	T_-ve   	Flux    	Fluxpos 	Fluxneg
56.235	0.323	-0.401	5.6725974e-09	7.0233766e-10	-7.1570986e-10
57.014	0.391	-0.456	4.7538766e-09	6.0403958e-10	-6.1464996e-10
57.788	0.428	-0.383	5.0630386e-09	6.2665128e-10	-6.3816096e-10
58.632	0.283	-0.416	5.8746696e-09	7.2710462e-10	-7.4044282e-10
59.294	0.406	-0.379	5.183623e-09	6.500494e-10	-6.6181884e-10
60.054	0.381	-0.354	5.5901814e-09	6.9247528e-10	-7.0579342e-10
60.915	0.420	-0.480	4.5177398e-09	5.6652976e-10	-5.767301e-10
61.721	0.306	-0.386	5.8180154e-09	7.3934904e-10	-7.5257674e-10
62.529	0.387	-0.502	4.617489e-09	5.7149716e-10	-5.817536e-10
63.453	0.384	-0.536	4.4657062e-09	5.5271114e-10	-5.622427e-10
64.242	0.464	-0.406	3.20237432e-09	4.7743242e-10	-4.8324472e-10
65.122	0.413	-0.416	4.9543882e-09	6.136473e-10	-6.244253e-10
66.095	0.501	-0.559	3.7957804e-09	4.8272826e-10	-4.907492e-10
67.106	0.343	-0.511	3.2564452e-09	4.8594874e-10	-4.9175594e-10
68.007	0.614	-0.557	3.4678062e-09	4.3526052e-10	-4.4268748e-10
69.187	0.492	-0.566	3.9697618e-09	4.8774088e-10	-4.927008e-10
70.131	0.477	-0.451	3.39369368e-09	4.796193e-10	-4.8351672e-10
71.127	0.664	-0.519	3.4313004e-09	4.345081e-10	-4.3943776e-10
72.309	0.569	-0.518	3.12886224e-09	4.3593168e-10	-4.4111294e-10
73.450	0.465	-0.572	2.52517932e-09	4.08527e-10	-4.1214868e-10
74.490	0.437	-0.575	4.0502534e-09	5.0440224e-10	-5.117017e-10
75.270	0.519	-0.342	3.32611188e-09	4.9851412e-10	-5.0198144e-10
76.259	0.545	-0.471	3.9961764e-09	5.1768536e-10	-5.1431052e-10
77.287	0.489	-0.483	2.68194958e-09	4.2729704e-10	-4.2335134e-10
78.254	0.404	-0.478	2.9568644e-09	4.586787e-10	-4.5732754e-10
79.223	0.603	-0.564	2.20269102e-09	3.5635638e-10	-3.4869652e-10
80.257	0.441	-0.431	3.03723326e-09	4.725949e-10	-4.6290218e-10
81.235	0.469	-0.538	3.876663e-09	4.9391562e-10	-4.923642e-10
82.015	0.472	-0.310	3.38237338e-09	5.14862e-10	-5.1342516e-10
82.945	0.498	-0.458	2.77140528e-09	4.3761264e-10	-4.2352032e-10
83.859	0.418	-0.416	3.17323224e-09	5.0184476e-10	-4.850202e-10
84.690	0.439	-0.413	3.10705498e-09	4.8861026e-10	-4.7441832e-10
85.647	0.496	-0.518	2.61095554e-09	4.090608e-10	-3.9840214e-10
86.690	0.660	-0.546	2.19505122e-09	3.5087524e-10	-3.36211176e-10
87.692	0.449	-0.343	3.14638686e-09	5.2619862e-10	-5.010903e-10
88.614	0.439	-0.472	2.72229738e-09	4.3468966e-10	-4.1684272e-10
89.726	0.579	-0.674	1.95106484e-09	3.18044704e-10	-3.04513418e-10
90.812	0.646	-0.507	2.15095118e-09	3.4729572e-10	-3.3009393e-10
91.961	0.466	-0.504	2.48308766e-09	4.1953178e-10	-3.963856e-10
92.998	0.481	-0.570	2.3241108e-09	4.018477e-10	-3.6792828e-10
94.270	0.603	-0.792	1.77782736e-09	2.9297426e-10	-2.74160122e-10
95.575	0.469	-0.702	2.0258951e-09	3.4951286e-10	-3.2985117e-10
96.623	0.663	-0.579	1.96783636e-09	3.3651976e-10	-3.1049429e-10
97.836	0.494	-0.551	2.37447432e-09	3.8947952e-10	-3.6555508e-10
98.925	0.451	-0.595	2.40508078e-09	3.9922902e-10	-3.7672782e-10
100.059	0.732	-0.683	1.78122906e-09	2.95257564e-10	-2.78934266e-10
101.511	0.480	-0.721	2.12884744e-09	3.519595e-10	-3.28347928e-10
102.697	0.598	-0.706	1.70385254e-09	3.26361138e-10	-3.11550738e-10
103.843	0.607	-0.547	2.1497435e-09	3.7107974e-10	-3.4488988e-10
105.084	0.609	-0.633	2.02878782e-09	3.39818542e-10	-3.18469058e-10
106.392	0.620	-0.700	1.93662776e-09	3.1840099e-10	-2.98305766e-10
107.559	0.510	-0.546	2.41914454e-09	4.2861964e-10	-3.7706e-10
108.513	0.401	-0.444	3.02520644e-09	5.8934512e-10	-4.753013e-10
109.433	0.465	-0.519	2.53852704e-09	4.665905e-10	-4.1057686e-10
110.422	0.618	-0.524	2.18829202e-09	3.7467728e-10	-3.502918e-10
111.811	0.546	-0.771	1.8984903e-09	3.26492548e-10	-3.04231592e-10
112.978	0.480	-0.621	2.30359112e-09	3.9133898e-10	-3.6280074e-10
113.980	0.461	-0.522	2.62131398e-09	4.2582994e-10	-4.0287552e-10
115.075	0.653	-0.635	1.99853632e-09	3.18669386e-10	-3.05930742e-10
116.184	0.545	-0.455	2.53727482e-09	4.0934946e-10	-3.9522892e-10
117.274	0.597	-0.546	2.25383586e-09	3.5419534e-10	-3.4411196e-10
118.468	0.787	-0.597	1.83280638e-09	2.95144922e-10	-2.8540127e-10
119.915	0.579	-0.661	2.08255542e-09	3.401921e-10	-3.2517107e-10
121.062	0.544	-0.568	2.3796821e-09	3.6868342e-10	-3.624145e-10
122.496	0.782	-0.889	1.58391992e-09	2.45294258e-10	-2.41222282e-10
124.026	0.781	-0.749	1.7042738e-09	2.68987328e-10	-2.64446628e-10
125.565	0.646	-0.758	1.74799576e-09	2.9474702e-10	-2.9232826e-10
126.904	0.665	-0.693	1.92096804e-09	3.01490206e-10	-2.97767104e-10
128.225	0.791	-0.657	1.7740163e-09	2.84982934e-10	-2.80451244e-10
129.738	0.615	-0.722	1.95163162e-09	3.00709566e-10	-3.01444272e-10
131.024	0.776	-0.671	1.8243839e-09	2.85925006e-10	-2.8704619e-10
132.515	0.811	-0.716	1.7575688e-09	2.70756994e-10	-2.71457122e-10
134.002	0.724	-0.676	1.94457288e-09	2.95450514e-10	-2.95060738e-10
135.737	0.989	-1.011	1.3417505e-09	2.06694398e-10	-2.07233094e-10
137.353	0.876	-0.628	1.81112356e-09	2.78480706e-10	-2.75441548e-10
139.517	1.055	-1.288	1.14512306e-09	1.82921054e-10	-1.78069662e-10
141.648	0.883	-1.076	1.32642092e-09	2.07400612e-10	-2.02330464e-10
143.690	1.134	-1.159	1.1355915e-09	1.74418504e-10	-1.71170994e-10
146.021	1.424	-1.197	9.5800066e-10	1.55758182e-10	-1.49471004e-10
148.617	0.967	-1.172	1.17399994e-09	1.93853618e-10	-1.83706556e-10
150.767	1.004	-1.184	1.13310032e-09	1.90888988e-10	-1.80744782e-10
152.933	1.127	-1.161	1.1576966e-09	1.84472066e-10	-1.79950814e-10
155.307	1.297	-1.247	1.05647894e-09	1.63669404e-10	-1.60901192e-10
158.298	1.649	-1.694	8.0403098e-10	1.2297426e-10	-1.22160266e-10
161.405	1.669	-1.458	8.4600738e-10	1.34687532e-10	-1.31482658e-10
164.836	1.877	-1.761	7.2430948e-10	1.13356918e-10	-1.1222975e-10
168.956	2.151	-2.243	5.8198752e-10	9.4842932e-11	-9.3701178e-11
172.919	2.129	-1.812	6.6087194e-10	1.05330232e-10	-1.02720256e-10
177.445	2.777	-2.396	4.5932164e-10	8.0400276e-11	-7.8595658e-11
183.027	3.616	-2.805	3.9115742e-10	6.415137e-11	-6.3053442e-11
190.307	3.231	-3.665	3.8675748e-10	5.9323744e-11	-5.8792596e-11
197.794	2.544	-4.256	2.5458044e-10	5.0112906e-11	-4.9863006e-11
203.393	3.722	-3.054	2.60610782e-10	4.9984046e-11	-4.9621164e-11
210.252	3.430	-3.137	2.59617574e-10	5.1291278e-11	-5.0884774e-11
218.194	4.332	-4.512	1.94405336e-10	3.9364146e-11	-3.9206624e-11
228.725	4.807	-6.198	1.52177234e-10	3.10009824e-11	-3.0722145e-11
238.584	6.897	-5.052	1.38976088e-10	2.76145382e-11	-2.7266334e-11
NO	NO	NO	NO	NO
! PC data
!Time    	T_+ve   	T_-ve   	Flux    	Fluxpos 	Fluxneg
269.302	12.448	-17.640	1.15682858e-10	2.47092688e-11	-2.47092688e-11
310.446	26.464	-28.697	6.0623632e-11	1.32676364e-11	-1.32676364e-11
409.463	72.873	-72.552	2.16374334e-11	4.8778814e-12	-4.8778814e-12
554.067	101.274	-71.732	7.8257256e-12	1.76864158e-12	-1.76864158e-12
767.921	113.079	-112.580	5.9510982e-12	1.35836834e-12	-1.35836834e-12
983.891	72.622	-102.891	7.7676298e-12	1.7557141e-12	-1.7557141e-12
1255.917	159.134	-199.403	5.240522e-12	1.01444032e-12	-1.01444032e-12
4864.699	163.065	-177.931	2.35343886e-12	6.3991774e-13	-6.3991774e-13
5260.376	198.648	-232.612	2.03482826e-12	5.3209796e-13	-5.3209796e-13
5835.668	520.963	-376.644	1.56617328e-12	3.24811928e-13	-3.24811928e-13
6711.845	155.785	-175.182	1.93076276e-12	5.0511794e-13	-5.0511794e-13
6989.696	168.777	-122.066	2.19774504e-12	5.7143596e-13	-5.7143596e-13
10695.963	361.307	-293.104	1.06114068e-12	2.80874442e-13	-2.80874442e-13
11183.654	164.466	-126.383	2.4123884e-12	6.2601684e-13	-6.2601684e-13
11540.604	263.849	-192.484	1.5145368e-12	3.9747734e-13	-3.9747734e-13
12041.941	213.831	-237.488	1.54236274e-12	4.015944e-13	-4.015944e-13
12621.944	283.201	-366.171	1.21589508e-12	2.99913558e-13	-2.99913558e-13
16826.804	1820.185	-588.396	8.3573802e-13	1.77599612e-13	-1.77599612e-13
22336.163	427.648	-337.086	9.561922e-13	2.51651204e-13	-2.51651204e-13
24451.856	4553.243	-1688.044	7.2772784e-13	1.3435049e-13	-1.3435049e-13
233590.666	312316.821	-113485.785	2.2251419e-14	1.00801092e-14	-8.0545422e-15