! Swift/XRT lightcurve of trigger: 1090472, name: GRB 211221A ! T0 for this burst is Swift MET=661812549.12 s, = 2021 Dec 21 at 20:48:40.822 UT ! Data covers 0.3-10 keV ! The data are in 5 columns: "; ! time, time error (+ve), time error (-ve), source count-rate, 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/01090472 ! BINMODE: GRB-like (counts) READ TERR 1 2 ! WTSLEW data !Time T_+ve T_-ve Rate Ratepos Rateneg 48.3671928307945 4.45851019406966 -3.78150377974624 13.5426724219889 1.57709343704794 -1.58928799356858 NO NO NO NO NO ! WT data !Time T_+ve T_-ve Rate Ratepos Rateneg 62.218 1.793 -1.974 9.149693e+00 1.728000e+00 -1.726774e+00 66.123 2.380 -2.112 8.891778e+00 1.609190e+00 -1.608074e+00 70.987 1.948 -2.484 8.411630e+00 1.559312e+00 -1.558705e+00 76.040 2.993 -3.105 6.305588e+00 1.189355e+00 -1.187118e+00 81.617 2.216 -2.584 8.002813e+00 1.639648e+00 -1.633843e+00 86.129 2.213 -2.295 8.432811e+00 1.858438e+00 -1.848811e+00 91.133 2.316 -2.791 7.965440e+00 1.685890e+00 -1.661176e+00 95.626 3.554 -2.176 9.755093e+00 1.854067e+00 -1.775899e+00 103.304 4.838 -4.124 4.852678e+00 1.020672e+00 -9.811183e-01 NO NO NO NO NO ! PC data !Time T_+ve T_-ve Rate Ratepos Rateneg 149.439 22.328 -35.341 2.347831e+00 5.063946e-01 -5.063946e-01 179.634 7.176 -7.868 8.622138e+00 1.894210e+00 -1.894210e+00 200.814 11.070 -14.003 5.498067e+00 1.179745e+00 -1.179745e+00 222.386 19.586 -10.502 4.096144e+00 9.263633e-01 -9.263633e-01 289.874 69.942 -47.902 1.036315e+00 2.374104e-01 -2.374104e-01 420.416 57.244 -60.600 1.041521e+00 2.358810e-01 -2.358810e-01 518.264 54.674 -40.604 1.291137e+00 2.915818e-01 -2.915818e-01 608.069 25.045 -35.131 2.130519e+00 4.718795e-01 -4.718795e-01 659.069 31.713 -25.955 2.124685e+00 4.811933e-01 -4.811933e-01 708.621 19.771 -17.839 3.289876e+00 7.387605e-01 -7.387605e-01 779.792 43.879 -51.399 1.274949e+00 2.912393e-01 -2.912393e-01 911.044 95.653 -87.374 8.995184e-01 1.760509e-01 -1.760509e-01 25808.265 7407.159 -4434.162 1.727028e-02 3.527342e-03 -3.527342e-03 58276.973 9971.546 -6751.895 9.312583e-03 2.258319e-03 -2.258319e-03 NO NO NO NO NO ! PC upper limits 73473.217 190.555 -190.555 3.4557e-02 0.0000e+00 0.0000e+00