! Swift/XRT lightcurve of trigger: 20895, name: GRB 190531B
 ! T0 for this burst is Swift MET=581026212 s, = 2019 May 31 at 20:09:49.002 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/00020895
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Flux    	Fluxpos 	Fluxneg
18215.776	35.737	-21.931	4.128571788e-11	9.2915757e-12	-9.2915757e-12
18284.392	37.326	-32.879	3.46197423e-11	7.61298384e-12	-7.61298384e-12
18349.708	29.677	-27.991	4.33437158e-11	9.51671468e-12	-9.51671468e-12
18414.355	32.728	-34.969	3.491637182e-11	7.84541274e-12	-7.84541274e-12
18492.695	57.187	-45.612	2.275779264e-11	5.14676712e-12	-5.14676712e-12
18583.969	36.118	-34.086	3.317146426e-11	7.4654173e-12	-7.4654173e-12
18651.790	46.024	-31.703	2.994281972e-11	6.77169196e-12	-6.77169196e-12
18735.657	49.912	-37.844	2.606811856e-11	5.92433072e-12	-5.92433072e-12
18827.928	37.876	-42.358	2.914052724e-11	6.5902507e-12	-6.5902507e-12
18903.389	55.185	-37.586	2.478755466e-11	5.58762336e-12	-5.58762336e-12
18988.907	29.843	-30.333	3.943644826e-11	8.88978574e-12	-8.88978574e-12
19054.342	37.119	-35.593	3.168541156e-11	7.15414524e-12	-7.15414524e-12
19127.559	24.078	-36.097	3.922629876e-11	8.8424138e-12	-8.8424138e-12
19188.235	33.606	-36.599	3.3231836e-11	7.46691374e-12	-7.46691374e-12
19259.695	27.337	-37.853	3.556472744e-11	8.01701846e-12	-8.01701846e-12
19332.273	34.993	-45.241	2.903445974e-11	6.59847276e-12	-6.59847276e-12
19401.232	26.210	-33.966	3.89593556e-11	8.76801398e-12	-8.76801398e-12
19476.064	36.626	-48.623	2.705991552e-11	6.20040718e-12	-6.20040718e-12
19553.801	26.586	-41.111	3.4956713e-11	7.85447916e-12	-7.85447916e-12
19629.646	25.961	-49.259	3.090419464e-11	6.95515634e-12	-6.95515634e-12
19719.772	48.664	-64.165	2.080243044e-11	4.71991388e-12	-4.71991388e-12
19807.915	38.248	-39.479	3.029144426e-11	6.82831424e-12	-6.82831424e-12
19870.095	28.722	-23.932	4.55862858e-11	1.000910614e-11	-1.000910614e-11
19951.450	52.674	-52.634	2.181972958e-11	4.95882596e-12	-4.95882596e-12
20044.003	40.346	-39.879	3.175335746e-11	6.90105878e-12	-6.90105878e-12
23335.346	50.036	-37.720	2.13786936e-11	4.81594102e-12	-4.81594102e-12
23417.469	25.582	-32.086	3.319665294e-11	7.44653624e-12	-7.44653624e-12
23491.800	49.035	-48.750	1.950780502e-11	4.38982764e-12	-4.38982764e-12
23584.016	34.547	-43.180	2.661548956e-11	5.70724242e-12	-5.70724242e-12
23652.399	38.875	-33.837	2.687554826e-11	6.02224722e-12	-6.02224722e-12
23724.542	34.429	-33.268	3.084978358e-11	6.61521366e-12	-6.61521366e-12
23788.423	35.739	-29.451	2.939672362e-11	6.5802396e-12	-6.5802396e-12
23864.394	37.495	-40.232	2.45920895e-11	5.5339438e-12	-5.5339438e-12
23930.591	33.981	-28.702	3.011039174e-11	6.78291526e-12	-6.78291526e-12
24016.798	28.007	-52.227	2.48399635e-11	5.4478567e-12	-5.4478567e-12
24096.312	51.293	-51.506	1.84314174e-11	4.152011556e-12	-4.152011556e-12
24192.224	38.123	-44.618	2.307519258e-11	5.17066418e-12	-5.17066418e-12
24256.916	36.113	-26.570	3.05595202e-11	6.8333177e-12	-6.8333177e-12
24319.586	38.633	-26.557	3.092893606e-11	6.76962704e-12	-6.76962704e-12
24395.697	27.713	-37.477	2.908764188e-11	6.54557486e-12	-6.54557486e-12
24452.238	28.840	-28.828	3.375447394e-11	7.57166454e-12	-7.57166454e-12
24541.468	37.395	-60.390	2.151560114e-11	4.59153772e-12	-4.59153772e-12
24624.733	44.394	-45.869	2.115045724e-11	4.74940378e-12	-4.74940378e-12
24711.486	47.904	-42.360	2.090221122e-11	4.6936593e-12	-4.6936593e-12
24790.343	46.774	-30.953	2.49661786e-11	5.6121725e-12	-5.6121725e-12
24875.595	36.742	-38.478	2.536525574e-11	5.70188366e-12	-5.70188366e-12
24954.568	45.525	-42.231	2.160772416e-11	4.86237246e-12	-4.86237246e-12
25035.313	34.985	-35.220	2.7514223e-11	6.18494954e-12	-6.18494954e-12
25110.347	30.155	-40.049	2.821965234e-11	6.18908356e-12	-6.18908356e-12
25191.277	67.070	-50.774	1.68007994e-11	3.726050746e-12	-3.726050746e-12
25298.076	43.012	-39.730	2.297208034e-11	5.1584544e-12	-5.1584544e-12
25370.418	23.323	-29.331	3.62585322e-11	8.1076534e-12	-8.1076534e-12
25438.745	27.709	-45.003	2.633243668e-11	5.90678308e-12	-5.90678308e-12
25512.081	37.115	-45.627	2.343648252e-11	5.27389764e-12	-5.27389764e-12
25615.721	81.407	-66.525	1.256286878e-11	2.875790258e-12	-2.875790258e-12
25739.170	48.206	-42.042	2.186073538e-11	4.90985726e-12	-4.90985726e-12
29150.579	33.479	-34.218	2.734075718e-11	6.12754142e-12	-6.12754142e-12
29247.339	62.085	-63.280	1.46610156e-11	3.312262932e-12	-3.312262932e-12
29358.560	36.112	-49.136	2.185291878e-11	4.92574126e-12	-4.92574126e-12
29431.518	50.911	-36.845	2.104262996e-11	4.7540185e-12	-4.7540185e-12
29515.891	44.264	-33.463	2.371022654e-11	5.32603896e-12	-5.32603896e-12
29643.962	79.166	-83.806	1.86000177e-11	3.258093476e-12	-3.258093476e-12
121079.587	127.479	-113.223	3.500233352e-12	9.11048556e-13	-9.11048556e-13
121302.742	109.923	-95.677	4.068305802e-12	1.061763054e-12	-1.061763054e-12
121526.357	99.430	-113.692	5.25004656e-12	1.183417774e-12	-1.183417774e-12
121740.527	93.367	-114.740	4.041835952e-12	1.051076048e-12	-1.051076048e-12
122005.611	119.132	-171.716	3.06289709e-12	7.76733452e-13	-7.76733452e-13
122245.062	150.471	-120.319	3.284013656e-12	8.33512064e-13	-8.33512064e-13
122501.702	114.476	-106.168	5.0953991e-12	1.150880236e-12	-1.150880236e-12
122719.037	150.380	-102.860	3.773693132e-12	9.21037084e-13	-9.21037084e-13
124836.327	1945.950	-1966.910	3.54646248e-12	5.82539012e-13	-5.82539012e-13
253008.908	363.710	-330.816	1.217634418e-12	3.199326438e-13	-3.199326438e-13
254073.743	612.697	-701.125	1.028797484e-12	2.142667582e-13	-2.142667582e-13
258991.573	545.508	-437.354	1.374757692e-12	2.836567646e-13	-2.836567646e-13
277182.887	844.018	-662.870	8.69402798e-13	1.866295596e-13	-1.866295596e-13
285106.864	31260.330	-3415.942	7.32864352e-13	1.511518932e-13	-1.511518932e-13
545198.891	7386.850	-11037.279	3.870827554e-13	7.3786196e-14	-7.3786196e-14
818602.278	50243.994	-43686.499	1.872568522e-13	3.651362924e-14	-3.651362924e-14
1085342.404	103604.743	-103202.600	1.208087716e-13	3.260109072e-14	-3.260109072e-14
1412249.224	104658.153	-79995.023	6.86083464e-14	2.940109172e-14	-2.349302956e-14