! 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 flux, 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   	Flux    	Fluxpos 	Fluxneg
40289.826	269.352	-294.798	2.192641773e-12	5.75396934e-13	-5.75396934e-13
40920.722	200.099	-361.544	2.186715846e-12	5.68419033e-13	-5.68419033e-13
41291.797	144.948	-170.975	3.875955699e-12	1.011620316e-12	-1.011620316e-12
41606.938	198.360	-170.194	3.557303211e-12	8.9419722e-13	-8.9419722e-13