! Swift/XRT detailed lightcurve of trigger: 21830, name: GRB 250521B - source 1
 ! T0 for this burst is Swift MET=769493992.655 s, = 2025 May 21 at 04:19:17.000 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
! PC data
75101.632	10910.768	-5078.732	8.441229e-03	4.010890e-03	-3.042062e-03	1.635431e-05	6.181350e-06	0.087029