! Swift/XRT detailed lightcurve of trigger: 1344131, name: GRB 250821A
 ! T0 for this burst is Swift MET=777466013.504 s, = 2025 Aug 21 at 10:46:17.308 UT

 ! Data covers 0.3-10 keV
 ! For details of light-curve production, see Evans et al. 2007, A&A, 469, 379
 ! BINMODE: 
READ TERR 1 2
READ SERR 3
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg 	BGrate  	BGerr   	FracExp
! PC data
191.562	56.489	-41.296	2.551575e-01	5.735269e-02	-5.735269e-02	1.054043e-03	3.983908e-04	1.000000
309.770	58.633	-61.719	2.074668e-01	4.680753e-02	-4.680753e-02	1.468130e-03	4.238128e-04	1.000000
419.775	46.413	-51.373	2.537761e-01	5.687259e-02	-5.687259e-02	4.517327e-04	2.608080e-04	1.000000
529.102	107.584	-62.914	1.447490e-01	3.278011e-02	-3.278011e-02	1.468132e-03	3.560743e-04	1.000000
724.891	137.453	-88.205	9.722523e-02	2.324176e-02	-2.324176e-02	1.109256e-03	2.690340e-04	1.000000
1898.162	43482.774	-1035.819	2.954245e-03	6.983812e-04	-6.983812e-04	1.887782e-04	9.368903e-06	0.191827
NO	NO	NO	NO	NO
! PC upper limits
146674.288	62191.377	-50985.573	1.4538e-03	0.0000e+00	0.0000e+00	5.4860e-05	2.7779e-06	0.0737