! Swift/XRT hardness ratio of trigger: 20895, name: GRB 190531B
 ! T0 for this burst is Swift MET=581026212 s, = 2019 May 31 at 20:09:49.002 UT

 ! The hard band is 1.51-10 keV
 ! The soft band is 0.3-1.5 keV
 ! For details of light-curve production, see Evans et al. 2007, A&A, 469, 379
 ! There are 3 datasets: Hard, Soft, and the ratio
 ! Columns are as labelled
 ! BINMODE: GRB-like (counts)

READ TERR 1
READ SERR 2
NO	NO	NO	NO	NO
! PC -- hard data
!Time		Err (pos)	Err(neg)	Rate		Error
18279.584	94.787	-85.739	0.607175	0.097710
18474.116	108.362	-99.745	0.459667	0.079434
18720.932	142.364	-138.455	0.465771	0.068692
18971.276	95.112	-107.980	0.493820	0.082747
19170.187	94.279	-103.798	0.521701	0.086368
19442.784	187.750	-178.318	0.590290	0.067923
19858.471	225.878	-227.937	0.510716	0.056452
23413.330	122.491	-115.704	0.325654	0.056198
23645.984	102.958	-110.163	0.417976	0.067220
23842.451	92.032	-93.509	0.443578	0.074103
24054.137	123.556	-119.653	0.346860	0.057219
24248.434	59.639	-70.741	0.347346	0.077833
24382.347	68.643	-74.274	0.366810	0.076767
24558.458	110.669	-107.468	0.347662	0.060598
24753.601	83.516	-84.474	0.315517	0.066032
24971.723	128.662	-134.606	0.389005	0.058400
25177.957	105.462	-77.572	0.252157	0.057228
25514.188	273.188	-230.768	0.366045	0.041088
29249.554	147.626	-133.193	0.308081	0.049710
29559.266	163.861	-162.087	0.279234	0.043828
121212.640	245.156	-246.277	0.045994	0.011297
121657.063	252.051	-199.266	0.059307	0.013377
122232.180	253.616	-323.067	0.046224	0.010504
122824.027	401.413	-338.230	0.048935	0.009521
202046.308	52640.131	-75494.704	0.019571	0.003458
267739.470	10287.435	-9185.250	0.017528	0.003142
322043.381	213502.260	-40352.459	0.006044	0.001635
617019.853	170886.035	-76827.275	0.003653	0.000849
953921.028	235026.120	-161912.244	0.001659	0.000459
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
18279.584	94.787	-85.739	0.313084	0.070805
18474.116	108.362	-99.745	0.284132	0.062289
18720.932	142.364	-138.455	0.196014	0.044620
18971.276	95.112	-107.980	0.273429	0.061837
19170.187	94.279	-103.798	0.281456	0.063652
19442.784	187.750	-178.318	0.151375	0.034515
19858.471	225.878	-227.937	0.185632	0.034229
23413.330	122.491	-115.704	0.191939	0.043146
23645.984	102.958	-110.163	0.225162	0.049432
23842.451	92.032	-93.509	0.245206	0.055296
24054.137	123.556	-119.653	0.188133	0.042426
24248.434	59.639	-70.741	0.351346	0.078646
24382.347	68.643	-74.274	0.319001	0.071709
24558.458	110.669	-107.468	0.209269	0.047042
24753.601	83.516	-84.474	0.275193	0.061861
24971.723	128.662	-134.606	0.174140	0.039021
25177.957	105.462	-77.572	0.269536	0.059174
25514.188	273.188	-230.768	0.162162	0.027799
29249.554	147.626	-133.193	0.158064	0.035547
29559.266	163.861	-162.087	0.239867	0.040891
121212.640	245.156	-246.277	0.043872	0.011042
121657.063	252.051	-199.266	0.044476	0.011566
122232.180	253.616	-323.067	0.046450	0.010477
122824.027	401.413	-338.230	0.032710	0.007797
202046.308	52640.131	-75494.704	0.014783	0.003012
267739.470	10287.435	-9185.250	0.007992	0.002130
322043.381	213502.260	-40352.459	0.006564	0.001695
617019.853	170886.035	-76827.275	0.002833	0.000744
953921.028	235026.120	-161912.244	0.002148	0.000532
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
18279.584	94.787	-85.739	1.939335	0.538292
18474.116	108.362	-99.745	1.617794	0.451600
18720.932	142.364	-138.455	2.376207	0.644511
18971.276	95.112	-107.980	1.806029	0.508338
19170.187	94.279	-103.798	1.853580	0.519508
19442.784	187.750	-178.318	3.899512	0.995930
19858.471	225.878	-227.937	2.751237	0.591469
23413.330	122.491	-115.704	1.696651	0.480818
23645.984	102.958	-110.163	1.856336	0.505190
23842.451	92.032	-93.509	1.809003	0.507690
24054.137	123.556	-119.653	1.843697	0.515137
24248.434	59.639	-70.741	0.988615	0.313123
24382.347	68.643	-74.274	1.149869	0.353161
24558.458	110.669	-107.468	1.661311	0.472560
24753.601	83.516	-84.474	1.146532	0.352137
24971.723	128.662	-134.606	2.233867	0.602521
25177.957	105.462	-77.572	0.935522	0.295404
25514.188	273.188	-230.768	2.257285	0.462536
29249.554	147.626	-133.193	1.949091	0.539479
29559.266	163.861	-162.087	1.164122	0.269759
121212.640	245.156	-246.277	1.048372	0.368680
121657.063	252.051	-199.266	1.333455	0.459034
122232.180	253.616	-323.067	0.995138	0.318628
122824.027	401.413	-338.230	1.496002	0.460290
202046.308	52640.131	-75494.704	1.323898	0.357009
267739.470	10287.435	-9185.250	2.193304	0.704561
322043.381	213502.260	-40352.459	0.920822	0.344292
617019.853	170886.035	-76827.275	1.289418	0.452160
953921.028	235026.120	-161912.244	0.772580	0.286925