! Swift/XRT hardness ratio of trigger: 1215912, name: GRB 240218A ! T0 for this burst is Swift MET=729914433.6 s, = 2024 Feb 18 at 02:00:28.600 UT ! The hard band is 1.51-10 keV ! The soft band is 0.3-1.5 keV ! For details of light-curve production, see Evans et al. 2007, A&A, 469, 379 ! There are 3 datasets: Hard, Soft, and the ratio ! Columns are as labelled ! BINMODE: READ TERR 1 READ SERR 2 NO NO NO NO NO ! PC -- hard data !Time Err (pos) Err(neg) Rate Error 1597.056 74.928 -105.598 0.143006 0.032103 1758.066 84.416 -86.081 0.150422 0.033970 1927.446 85.531 -84.964 0.151008 0.034102 97767.644 40232.582 -86736.644 0.009092 0.002045 158738.836 92984.919 -15741.446 0.005944 0.001582 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 1597.056 74.928 -105.598 0.286477 0.045475 1758.066 84.416 -86.081 0.285864 0.046615 1927.446 85.531 -84.964 0.340335 0.050912 97767.644 40232.582 -86736.644 0.016206 0.002753 158738.836 92984.919 -15741.446 0.006652 0.001612 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 1597.056 74.928 -105.598 0.499189 0.137249 1758.066 84.416 -86.081 0.526202 0.146573 1927.446 85.531 -84.964 0.443705 0.120192 97767.644 40232.582 -86736.644 0.561059 0.158156 158738.836 92984.919 -15741.446 0.893627 0.321690