! Swift/XRT lightcurve of trigger: 20914, name: GRB 190731A ! T0 for this burst is Swift MET=586305503 s, = 2019 Jul 31 at 22:37:59.665 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/00020914 ! BINMODE: GRB-like (counts) READ TERR 1 2 ! PC data !Time T_+ve T_-ve Flux Fluxpos Fluxneg 33631.942 362.796 -243.971 1.87913208e-12 3.73529856e-13 -3.73529856e-13 41856.472 3875.165 -2291.304 1.344954912e-12 2.500517712e-13 -2.500517712e-13 56459.691 202.643 -248.673 1.456630896e-12 3.81369408e-13 -3.81369408e-13 57063.476 260.789 -401.141 9.86167392e-13 2.589198864e-13 -2.589198864e-13 57508.234 287.405 -183.969 1.391735184e-12 3.6437856e-13 -3.6437856e-13 59844.377 3092.003 -2048.738 8.19304416e-13 1.441424208e-13 -1.441424208e-13 NO NO NO NO NO ! PC upper limits 591032.850 17582.293 -23518.048 9.85488e-14 0 0