! Swift/XRT hardness ratio of trigger: 380311, name: GRB 091221 ! T0 for this burst is Swift MET=283121577.664 s, = 2009 Dec 21 at 20:52:52.296 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: GRB-like (counts) READ TERR 1 READ SERR 2 NO NO NO NO NO ! WTST -- hard data !Time Err (pos) Err(neg) Rate Error 63.5536080327396 0.824806972570542 -0.954417993207862 39.6142878813327 5.53674327979607 65.139632814905 0.759836219869783 -0.76121780959491 37.202156467719 5.01635433294453 66.8567875657781 0.782673431906389 -0.95731853100331 30.1023861698827 4.21518110139527 69.3921624464251 1.70853858764404 -1.75270144874057 22.7745343204625 2.59540319841209 NO NO NO NO NO ! WTST -- soft data !Time Err (pos) Err(neg) Rate Error 63.5536080327396 0.824806972570542 -0.954417993207862 30.3413121096703 4.69789170055479 65.139632814905 0.759836219869783 -0.76121780959491 32.360993788842 4.67092227402215 66.8567875657781 0.782673431906389 -0.95731853100331 26.4338002591033 3.94052149837263 69.3921624464251 1.70853858764404 -1.75270144874057 25.0452436377537 2.71654277290606 NO NO NO NO NO ! WTST -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 63.5536080327396 0.824806972570542 -0.954417993207862 1.31111111111111 0.259491959061467 65.139632814905 0.759836219869783 -0.76121780959491 1.14583333333333 0.22632790376608 66.8567875657781 0.782673431906389 -0.95731853100331 1.13333333333333 0.231793863296094 69.3921624464251 1.70853858764404 -1.75270144874057 0.905882352941176 0.14251956275673 NO NO NO NO NO ! WT -- hard data !Time Err (pos) Err(neg) Rate Error 81.148 2.706 -2.649 9.381560 1.398522 87.159 3.940 -3.305 4.596717 0.839243 94.364 2.274 -3.265 8.536063 1.327942 98.522 1.357 -1.885 16.394087 2.342015 101.688 1.399 -1.809 24.891839 2.948513 104.390 1.358 -1.304 29.713168 3.565153 106.837 1.384 -1.089 28.956435 3.564297 109.808 1.617 -1.587 28.552942 3.131945 112.525 1.152 -1.100 26.037657 3.543281 114.834 1.212 -1.156 20.315681 3.093479 117.564 1.613 -1.518 25.666269 2.983648 120.769 1.749 -1.592 14.404220 2.193338 124.165 1.616 -1.647 14.056031 2.283828 127.677 1.961 -1.896 12.683971 1.890817 133.151 3.358 -3.513 7.009070 1.067275 139.494 4.206 -2.985 4.428532 0.834763 148.659 5.907 -4.959 3.398537 0.582845 162.007 8.802 -7.441 1.981025 0.373416 NO NO NO NO NO ! WT -- soft data !Time Err (pos) Err(neg) Rate Error 81.148 2.706 -2.649 13.257728 1.693572 87.159 3.940 -3.305 6.516815 1.026270 94.364 2.274 -3.265 9.203282 1.342438 98.522 1.357 -1.885 15.055993 2.244418 101.688 1.399 -1.809 14.982708 2.281425 104.390 1.358 -1.304 18.057393 2.749609 106.837 1.384 -1.089 19.743024 2.943119 109.808 1.617 -1.587 15.003998 2.284667 112.525 1.152 -1.100 21.698048 3.234557 114.834 1.212 -1.156 20.638422 3.076598 117.564 1.613 -1.518 15.607866 2.326686 120.769 1.749 -1.592 21.138154 2.621869 124.165 1.616 -1.647 15.993517 2.308468 127.677 1.961 -1.896 13.613085 1.983009 133.151 3.358 -3.513 10.648417 1.309558 139.494 4.206 -2.985 7.860659 1.090079 148.659 5.907 -4.959 7.096829 0.842240 162.007 8.802 -7.441 4.657143 0.560655 NO NO NO NO NO ! WT -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 81.148 2.706 -2.649 0.707630 0.138920 87.159 3.940 -3.305 0.705363 0.170069 94.364 2.274 -3.265 0.927502 0.197795 98.522 1.357 -1.885 1.088874 0.224821 101.688 1.399 -1.809 1.661371 0.320508 104.390 1.358 -1.304 1.645485 0.318998 106.837 1.384 -1.089 1.466667 0.283540 109.808 1.617 -1.587 1.903022 0.357129 112.525 1.152 -1.100 1.200000 0.242212 114.834 1.212 -1.156 0.984362 0.209760 117.564 1.613 -1.518 1.644444 0.310864 120.769 1.749 -1.592 0.681432 0.133830 124.165 1.616 -1.647 0.878858 0.191004 127.677 1.961 -1.896 0.931748 0.194201 133.151 3.358 -3.513 0.658226 0.128835 139.494 4.206 -2.985 0.563379 0.131838 148.659 5.907 -4.959 0.478881 0.099874 162.007 8.802 -7.441 0.425374 0.095139 NO NO NO NO NO ! PC -- hard data !Time Err (pos) Err(neg) Rate Error 232.300 3252.164 -56.209 0.384895 0.100586 3762.863 270.704 -278.400 0.045208 0.010320 4503.696 550.351 -470.129 0.043002 0.007367 5510.792 561.205 -456.745 0.027978 0.005959 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 232.300 3252.164 -56.209 0.784897 0.136946 3762.863 270.704 -278.400 0.034134 0.008953 4503.696 550.351 -470.129 0.018165 0.004807 5510.792 561.205 -456.745 0.028111 0.005968 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 232.300 3252.164 -56.209 0.490377 0.154088 3762.863 270.704 -278.400 1.324431 0.460518 4503.696 550.351 -470.129 2.367344 0.746311 5510.792 561.205 -456.745 0.995277 0.299288