! Swift/XRT lightcurve of trigger: 21704, name: GRB 240821A - source 1
 ! T0 for this burst is Swift MET=745958179.038 s, = 2024 Aug 21 at 18:35:45.000 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/00021704
 ! BINMODE: GRB-like (counts)

READ TERR 1 2