! Swift/XRT detailed 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
 ! For details of light-curve production, see Evans et al. 2007, A&A, 469, 379
 ! BINMODE: GRB-like (counts)
READ TERR 1 2
READ SERR 3
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg 	BGrate  	BGerr   	FracExp
! WT data
62.218	1.793	-1.974	8.971738e+00	1.692425e+00	-1.691480e+00	1.802799e-01	1.802799e-01	1.000000
65.996	1.983	-1.986	9.280448e+00	1.732868e+00	-1.731675e+00	5.132068e-01	2.963001e-01	1.000000
70.678	2.157	-2.698	7.335831e+00	1.348227e+00	-1.347307e+00	0.000000e+00	0.000000e+00	1.000000
75.634	3.291	-2.799	5.979543e+00	1.106181e+00	-1.105766e+00	0.000000e+00	0.000000e+00	1.000000
81.296	2.480	-2.371	7.486855e+00	1.486233e+00	-1.484853e+00	2.799083e-01	1.979250e-01	1.000000
85.830	2.400	-2.053	8.759279e+00	1.707337e+00	-1.703267e+00	1.524784e-01	1.524784e-01	1.000000
90.795	2.368	-2.565	7.233923e+00	1.598147e+00	-1.594446e+00	6.881599e-01	3.077545e-01	1.000000
95.068	2.970	-1.905	9.757183e+00	1.807646e+00	-1.800171e+00	1.392906e-01	1.392906e-01	1.000000
101.845	4.475	-3.807	4.829777e+00	9.664787e-01	-9.631205e-01	8.198785e-02	8.198785e-02	1.000000
NO	NO	NO	NO	NO
! PC data
141.805	27.454	-27.707	1.664158e+00	3.677309e-01	-3.677309e-01	4.677242e-03	1.559081e-03	1.000000
174.121	7.675	-4.862	7.002803e+00	1.572734e+00	-1.572734e+00	6.859943e-03	3.960590e-03	1.000000
189.510	9.837	-7.714	5.134559e+00	1.158225e+00	-1.158225e+00	9.799939e-03	4.000808e-03	1.000000
207.841	6.550	-8.494	6.316399e+00	1.382179e+00	-1.382179e+00	3.811082e-03	2.694842e-03	1.000000
228.803	23.198	-14.412	2.359685e+00	5.330660e-01	-5.330660e-01	5.335520e-03	2.016637e-03	1.000000
291.978	50.287	-39.977	1.025026e+00	2.280996e-01	-2.280996e-01	4.446267e-03	1.188315e-03	1.000000
397.808	44.750	-55.543	9.170622e-01	2.034999e-01	-2.034999e-01	3.429980e-03	9.901499e-04	1.000000
475.322	24.905	-32.764	1.694015e+00	3.621225e-01	-3.621225e-01	9.941968e-04	7.030033e-04	1.000000
545.519	44.971	-45.292	9.680374e-01	2.193291e-01	-2.193291e-01	2.858318e-03	9.527725e-04	1.000000
604.195	18.890	-13.705	2.691295e+00	6.061981e-01	-6.061981e-01	4.397408e-03	1.966581e-03	1.000000
640.901	17.286	-17.816	2.742417e+00	5.885746e-01	-5.885746e-01	4.083315e-03	1.826114e-03	1.000000
681.783	19.029	-23.596	2.053565e+00	4.639117e-01	-4.639117e-01	4.707819e-03	1.779388e-03	1.000000
714.298	16.601	-13.486	2.920040e+00	6.548448e-01	-6.548448e-01	1.905546e-03	1.347424e-03	1.000000
776.535	34.599	-45.635	1.078959e+00	2.462738e-01	-2.462738e-01	5.002057e-03	1.336856e-03	1.000000
852.236	49.161	-41.102	9.656839e-01	2.187959e-01	-2.187959e-01	2.858321e-03	9.527738e-04	1.000000
942.364	64.333	-40.966	9.527559e-01	2.009494e-01	-2.009494e-01	2.450166e-03	8.167218e-04	1.000000
27668.662	452.343	-545.562	1.926806e-02	5.168232e-03	-5.168232e-03	5.598158e-04	6.788764e-05	1.000000