! Swift/XRT lightcurve of trigger: 19719, name: sb25041603 - source 4 ! T0 for this burst is Swift MET=766477719.443 s, = 2025 Apr 16 at 06:28:04.000 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/00019719 ! BINMODE: GRB-like (counts) READ TERR 1 2