! 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 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/01426088
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! WTSLEW data
!Time    	T_+ve   	T_-ve   	Flux    	Fluxpos 	Fluxneg
126.175201500161	5.3310145490332	-3.40897045692479	2.44822022983032e-10	4.65499064414459e-11	-4.65080758113638e-11
NO	NO	NO	NO	NO
! PC data
!Time    	T_+ve   	T_-ve   	Flux    	Fluxpos 	Fluxneg
156.237	7.932	-7.112	2.11307615e-10	4.52348825e-11	-4.52348825e-11
175.786	10.949	-11.617	1.47211663e-10	3.13856341e-11	-3.13856341e-11
193.318	10.969	-6.583	1.73983925e-10	3.90203511e-11	-3.90203511e-11
218.408	13.459	-14.122	1.18629932e-10	2.59979296e-11	-2.59979296e-11
246.187	8.247	-14.319	1.36674841e-10	3.07447858e-11	-3.07447858e-11
269.616	12.397	-15.183	1.15682468e-10	2.52798839e-11	-2.52798839e-11
302.044	30.116	-20.030	6.07422871e-11	1.37049907e-11	-1.37049907e-11
348.957	13.292	-16.796	1.0603554e-10	2.38168116e-11	-2.38168116e-11
405.470	29.490	-43.222	4.29931697e-11	9.7296127e-12	-9.7296127e-12
453.401	16.662	-18.440	9.1082949e-11	2.0075478e-11	-2.0075478e-11
511.021	44.291	-40.958	3.60151867e-11	8.1259342e-12	-8.1259342e-12
596.349	49.228	-41.036	3.3508643e-11	7.6292431e-12	-7.6292431e-12
730.540	67.983	-84.964	1.8431834e-11	4.16511932e-12	-4.16511932e-12
852.539	58.814	-54.016	2.41628666e-11	5.48547693e-12	-5.48547693e-12
923.936	7.476	-12.583	3.030745e-10	6.64100583e-11	-6.64100583e-11
945.153	13.839	-13.742	2.58646666e-10	5.20296205e-11	-5.20296205e-11
978.890	22.727	-19.898	1.42075376e-10	3.12178795e-11	-3.12178795e-11
1041.251	30.570	-39.635	8.1215323e-11	1.8399205e-11	-1.8399205e-11
1121.074	41.011	-49.253	6.34264478e-11	1.4369155e-11	-1.4369155e-11
1172.609	7.027	-10.524	3.32430148e-10	7.5311484e-11	-7.5311484e-11
1186.400	5.773	-6.764	4.59226911e-10	1.03132698e-10	-1.03132698e-10
1198.435	6.275	-6.262	4.84741114e-10	1.06070715e-10	-1.06070715e-10
1214.602	10.166	-9.892	2.83282432e-10	6.3804167e-11	-6.3804167e-11
1234.039	5.773	-9.271	3.85698565e-10	8.6369432e-11	-8.6369432e-11
1247.053	7.803	-7.241	4.3998967e-10	9.1859412e-11	-9.1859412e-11
1261.239	6.154	-6.383	4.77432285e-10	1.05196097e-10	-1.05196097e-10
1274.420	5.509	-7.028	5.23626105e-10	1.09458235e-10	-1.09458235e-10
1288.358	6.615	-8.429	4.19242517e-10	8.9854236e-11	-8.9854236e-11
1302.486	10.038	-7.513	3.25934297e-10	7.3197969e-11	-7.3197969e-11
1318.659	8.909	-6.135	3.88423187e-10	8.7358218e-11	-8.7358218e-11
1342.760	9.882	-15.191	2.66179476e-10	5.58526338e-11	-5.58526338e-11
1360.499	7.186	-7.858	4.19193607e-10	8.9725462e-11	-8.9725462e-11
1378.077	9.666	-10.392	2.85807662e-10	6.40934931e-11	-6.40934931e-11
1395.528	9.767	-7.784	3.74029108e-10	7.8482795e-11	-7.8482795e-11
1410.817	7.015	-5.521	6.19917634e-10	1.19686991e-10	-1.19686991e-10
1422.160	5.701	-4.328	6.23638479e-10	1.33837927e-10	-1.33837927e-10
1433.797	6.601	-5.936	5.25200672e-10	1.10203208e-10	-1.10203208e-10
1447.687	7.755	-7.289	4.20827603e-10	8.9956746e-11	-8.9956746e-11
1467.153	18.376	-11.712	2.09035176e-10	4.48606607e-11	-4.48606607e-11
1497.801	10.294	-12.272	2.54444024e-10	5.75597536e-11	-5.75597536e-11
1523.356	22.349	-15.261	1.48925992e-10	3.3937309e-11	-3.3937309e-11
1562.229	13.563	-16.524	1.90347402e-10	4.28722615e-11	-4.28722615e-11
2558.375	10101.573	-982.583	1.0501848e-11	1.81159826e-12	-1.81159826e-12
42169.192	9486.208	-13052.036	6.8568336e-13	1.81942654e-13	-1.81942654e-13
NO	NO	NO	NO	NO
! PC upper limits
55585.634	671.303	-292.697	2.327714e-12	0	0