! Swift/XRT lightcurve of trigger: 1090472, name: GRB 211221A
 ! T0 for this burst is Swift MET=661812549.12 s, = 2021 Dec 21 at 20:48:40.822 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/01090472
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! WTSLEW data
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg
48.3671928307945	4.45851019406966	-3.78150377974624	13.5471105212587	1.57567675953667	-1.59120327690079
NO	NO	NO	NO	NO
! WT data
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg
62.218	1.793	-1.974	8.971738e+00	1.692425e+00	-1.691480e+00
65.996	1.983	-1.986	9.280448e+00	1.732868e+00	-1.731675e+00
70.678	2.157	-2.698	7.335831e+00	1.348227e+00	-1.347307e+00
75.634	3.291	-2.799	5.979543e+00	1.106181e+00	-1.105766e+00
81.296	2.480	-2.371	7.486855e+00	1.486233e+00	-1.484853e+00
85.830	2.400	-2.053	8.759279e+00	1.707337e+00	-1.703267e+00
90.795	2.368	-2.565	7.233923e+00	1.598147e+00	-1.594446e+00
95.068	2.970	-1.905	9.757183e+00	1.807646e+00	-1.800171e+00
101.845	4.475	-3.807	4.829777e+00	9.664787e-01	-9.631205e-01
NO	NO	NO	NO	NO
! PC data
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg
141.805	27.454	-27.707	1.664158e+00	3.677309e-01	-3.677309e-01
174.121	7.675	-4.862	7.002803e+00	1.572734e+00	-1.572734e+00
189.510	9.837	-7.714	5.134559e+00	1.158225e+00	-1.158225e+00
207.841	6.550	-8.494	6.316399e+00	1.382179e+00	-1.382179e+00
228.803	23.198	-14.412	2.359685e+00	5.330660e-01	-5.330660e-01
291.978	50.287	-39.977	1.025026e+00	2.280996e-01	-2.280996e-01
397.808	44.750	-55.543	9.170622e-01	2.034999e-01	-2.034999e-01
475.322	24.905	-32.764	1.694015e+00	3.621225e-01	-3.621225e-01
545.519	44.971	-45.292	9.680374e-01	2.193291e-01	-2.193291e-01
604.195	18.890	-13.705	2.691295e+00	6.061981e-01	-6.061981e-01
640.901	17.286	-17.816	2.742417e+00	5.885746e-01	-5.885746e-01
681.783	19.029	-23.596	2.053565e+00	4.639117e-01	-4.639117e-01
714.298	16.601	-13.486	2.920040e+00	6.548448e-01	-6.548448e-01
776.535	34.599	-45.635	1.078959e+00	2.462738e-01	-2.462738e-01
852.236	49.161	-41.102	9.656839e-01	2.187959e-01	-2.187959e-01
942.364	64.333	-40.966	9.527559e-01	2.009494e-01	-2.009494e-01
27668.662	452.343	-545.562	1.926806e-02	5.168232e-03	-5.168232e-03