! Swift/XRT lightcurve of trigger: 1426088, name: GRB 251221A
 ! T0 for this burst is Swift MET=787987508.864 s, = 2025 Dec 21 at 05:25:03.864 UT

 ! Data covers 0.3-10 keV
 ! The data are in 5 columns: ";
 ! time, time error (+ve), time error (-ve), source count-rate, 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/01426088
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! WTSLEW data
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg
126.175201500161	5.3310145490332	-3.40897045692479	3.65406004452286	0.694774723006655	-0.694150385244236
NO	NO	NO	NO	NO
! PC data
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg
156.237	7.932	-7.112	3.153845e+00	6.751475e-01	-6.751475e-01
175.786	10.949	-11.617	2.197189e+00	4.684423e-01	-4.684423e-01
193.318	10.969	-6.583	2.596775e+00	5.823933e-01	-5.823933e-01
218.408	13.459	-14.122	1.770596e+00	3.880288e-01	-3.880288e-01
246.187	8.247	-14.319	2.039923e+00	4.588774e-01	-4.588774e-01
269.616	12.397	-15.183	1.726604e+00	3.773117e-01	-3.773117e-01
302.044	30.116	-20.030	9.066013e-01	2.045521e-01	-2.045521e-01
348.957	13.292	-16.796	1.582620e+00	3.554748e-01	-3.554748e-01
405.470	29.490	-43.222	6.416891e-01	1.452181e-01	-1.452181e-01
453.401	16.662	-18.440	1.359447e+00	2.996340e-01	-2.996340e-01
511.021	44.291	-40.958	5.375401e-01	1.212826e-01	-1.212826e-01
596.349	49.228	-41.036	5.001290e-01	1.138693e-01	-1.138693e-01
730.540	67.983	-84.964	2.751020e-01	6.216596e-02	-6.216596e-02
852.539	58.814	-54.016	3.606398e-01	8.187279e-02	-8.187279e-02
923.936	7.476	-12.583	4.523500e+00	9.911949e-01	-9.911949e-01
945.153	13.839	-13.742	3.860398e+00	7.765615e-01	-7.765615e-01
978.890	22.727	-19.898	2.120528e+00	4.659385e-01	-4.659385e-01
1041.251	30.570	-39.635	1.212169e+00	2.746150e-01	-2.746150e-01
1121.074	41.011	-49.253	9.466634e-01	2.144650e-01	-2.144650e-01
1172.609	7.027	-10.524	4.961644e+00	1.124052e+00	-1.124052e+00
1186.400	5.773	-6.764	6.854133e+00	1.539294e+00	-1.539294e+00
1198.435	6.275	-6.262	7.234942e+00	1.583145e+00	-1.583145e+00
1214.602	10.166	-9.892	4.228096e+00	9.523010e-01	-9.523010e-01
1234.039	5.773	-9.271	5.756695e+00	1.289096e+00	-1.289096e+00
1247.053	7.803	-7.241	6.567010e+00	1.371036e+00	-1.371036e+00
1261.239	6.154	-6.383	7.125855e+00	1.570091e+00	-1.570091e+00
1274.420	5.509	-7.028	7.815315e+00	1.633705e+00	-1.633705e+00
1288.358	6.615	-8.429	6.257351e+00	1.341108e+00	-1.341108e+00
1302.486	10.038	-7.513	4.864691e+00	1.092507e+00	-1.092507e+00
1318.659	8.909	-6.135	5.797361e+00	1.303854e+00	-1.303854e+00
1342.760	9.882	-15.191	3.972828e+00	8.336214e-01	-8.336214e-01
1360.499	7.186	-7.858	6.256621e+00	1.339186e+00	-1.339186e+00
1378.077	9.666	-10.392	4.265786e+00	9.566193e-01	-9.566193e-01
1395.528	9.767	-7.784	5.582524e+00	1.171385e+00	-1.171385e+00
1410.817	7.015	-5.521	9.252502e+00	1.786373e+00	-1.786373e+00
1422.160	5.701	-4.328	9.308037e+00	1.997581e+00	-1.997581e+00
1433.797	6.601	-5.936	7.838816e+00	1.644824e+00	-1.644824e+00
1447.687	7.755	-7.289	6.281009e+00	1.342638e+00	-1.342638e+00
1467.153	18.376	-11.712	3.119928e+00	6.695621e-01	-6.695621e-01
1497.801	10.294	-12.272	3.797672e+00	8.591008e-01	-8.591008e-01
1523.356	22.349	-15.261	2.222776e+00	5.065270e-01	-5.065270e-01
1562.229	13.563	-16.524	2.841006e+00	6.398845e-01	-6.398845e-01
1617.082	31.417	-41.289	1.402039e+00	2.910891e-01	-2.910891e-01