! 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
23342.560	47.837	-44.933	2.166241528e-11	4.7605811e-12	-4.7605811e-12
23431.382	39.249	-40.985	2.366357356e-11	5.33066622e-12	-5.33066622e-12
23516.998	38.882	-46.367	2.247484844e-11	5.0468066e-12	-5.0468066e-12
23605.015	21.069	-49.136	2.7185257e-11	6.10454724e-12	-6.10454724e-12
23669.703	29.093	-43.619	2.609051082e-11	5.85871726e-12	-5.85871726e-12
23739.320	29.681	-40.524	2.90429744e-11	6.36324744e-12	-6.36324744e-12
23805.346	33.860	-36.345	2.721041224e-11	6.10373632e-12	-6.10373632e-12
23878.938	32.980	-39.732	2.604038426e-11	5.85986676e-12	-5.85986676e-12
23943.501	51.158	-31.583	2.277135256e-11	5.13513e-12	-5.13513e-12
24027.875	26.959	-33.216	3.226376472e-11	7.22964022e-12	-7.22964022e-12
24110.982	49.159	-56.148	1.79059078e-11	4.029365758e-12	-4.029365758e-12
24201.620	33.741	-41.478	2.679778772e-11	5.85951982e-12	-5.85951982e-12
24266.819	28.718	-31.458	3.157567402e-11	7.06053414e-12	-7.06053414e-12
24325.617	35.110	-30.080	2.926960982e-11	6.56564722e-12	-6.56564722e-12
24403.403	27.529	-42.676	2.834668254e-11	6.22952924e-12	-6.22952924e-12
24464.773	43.885	-33.842	2.459761964e-11	5.51181488e-12	-5.51181488e-12
24549.769	31.602	-41.111	2.615953098e-11	5.86180628e-12	-5.86180628e-12
24636.403	37.738	-55.032	2.28633669e-11	4.88853926e-12	-4.88853926e-12
24727.009	37.396	-52.868	2.389533784e-11	5.11902864e-12	-5.11902864e-12
24803.882	40.757	-39.478	2.362462432e-11	5.31061476e-12	-5.31061476e-12
24888.003	36.870	-43.364	2.366248258e-11	5.31912524e-12	-5.31912524e-12
24975.781	44.370	-50.908	2.12133746e-11	4.66189548e-12	-4.66189548e-12
25052.236	35.613	-32.085	2.801190216e-11	6.29017268e-12	-6.29017268e-12
25122.820	27.712	-34.971	3.14418346e-11	7.0603753e-12	-7.0603753e-12
25212.887	52.982	-62.355	1.746288214e-11	3.872912538e-12	-3.872912538e-12
25310.362	40.755	-44.494	2.255663432e-11	5.05981894e-12	-5.05981894e-12
25386.710	44.641	-35.593	2.37226286e-11	5.3157478e-12	-5.3157478e-12
25458.171	40.878	-26.820	2.865650414e-11	6.42132854e-12	-6.42132854e-12
25528.626	35.613	-29.577	2.91377559e-11	6.57080534e-12	-6.57080534e-12
25694.579	92.797	-130.340	1.638723856e-11	2.730281532e-12	-2.730281532e-12
29148.322	35.736	-31.961	2.728726154e-11	6.11555736e-12	-6.11555736e-12
29246.212	63.212	-62.154	1.494222092e-11	3.37580562e-12	-3.37580562e-12
29362.068	40.126	-52.645	1.98898821e-11	4.4832799e-12	-4.4832799e-12
29440.041	44.895	-37.847	2.200401324e-11	4.97123638e-12	-4.97123638e-12
29527.434	37.736	-42.498	2.623703654e-11	5.61703384e-12	-5.61703384e-12
29657.878	65.250	-92.708	1.932780586e-11	3.385585148e-12	-3.385585148e-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	3.546521e-12	5.82548208e-13	-5.82548208e-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	1.368708814e-12	2.824084912e-13	-2.824084912e-13
277182.887	844.018	-662.870	8.69402798e-13	1.866295596e-13	-1.866295596e-13
285106.864	31260.330	-3415.942	7.35838004e-13	1.517650156e-13	-1.517650156e-13
545198.891	7386.850	-11037.279	3.87532189e-13	7.38715934e-14	-7.38715934e-14
818602.278	50243.994	-43686.499	1.876583412e-13	3.659220906e-14	-3.659220906e-14
1085342.404	103604.743	-103202.600	1.211758592e-13	3.269570502e-14	-3.269570502e-14
1412249.224	104658.153	-79995.023	6.82734866e-14	2.926502018e-14	-2.338430358e-14