! Swift/XRT lightcurve of trigger: 21750, name: GRB 241228B
 ! T0 for this burst is Swift MET=757052019.8 s, = 2024 Dec 28 at 04:13:05.000 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/00021750
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg
40289.826	269.352	-294.798	4.539631e-02	1.191298e-02	-1.191298e-02
40920.722	200.099	-361.544	4.527362e-02	1.176851e-02	-1.176851e-02
41291.797	144.948	-170.975	8.024753e-02	2.094452e-02	-2.094452e-02
41606.938	198.360	-170.194	7.365017e-02	1.851340e-02	-1.851340e-02
NO	NO	NO	NO	NO
! PC upper limits
732777.538	8421.948	-4021.963	3.7003e-03	0.0000e+00	0.0000e+00