! Swift/XRT hardness ratio of trigger: 20336, name: GRB 131231A ! T0 for this burst is Swift MET=410157916 s, = 2013 Dec 31 at 04:45:04.540 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 ! PC -- hard data !Time Err (pos) Err(neg) Rate Error 52265.982 121.749 -116.447 0.249485 0.055787 52515.798 152.752 -128.067 0.313322 0.055388 56035.064 201.008 -195.148 0.250808 0.054731 56475.975 223.951 -239.903 0.205432 0.046049 56894.767 211.346 -194.841 0.235114 0.052703 57268.583 110.828 -162.470 0.155726 0.034821 57472.683 139.910 -93.271 0.293479 0.065709 57757.986 210.647 -145.393 0.256900 0.057512 58253.078 184.423 -284.445 0.228650 0.041811 61806.371 170.495 -208.111 0.361081 0.080866 62102.009 90.486 -125.144 0.208574 0.040140 62338.080 130.217 -145.585 0.222075 0.036544 136709.094 133.531 -159.826 0.113102 0.021876 137006.619 217.118 -163.995 0.057021 0.013660 137432.572 184.815 -208.835 0.061613 0.013966 137731.102 111.945 -113.715 0.081428 0.021161 138032.102 189.551 -189.056 0.051645 0.013053 138429.781 175.494 -208.128 0.063057 0.014308 138874.131 265.177 -268.857 0.036265 0.009189 142476.821 130.220 -168.152 0.073139 0.017499 142781.197 176.869 -174.156 0.052106 0.013663 143355.498 357.259 -397.432 0.051484 0.009295 229168.569 411.780 -398.084 0.028878 0.006761 229959.816 312.554 -379.467 0.026802 0.006993 230847.689 517.852 -575.318 0.028221 0.005715 247225.589 296.049 -343.319 0.038606 0.008749 248025.489 536.673 -503.850 0.024470 0.005479 264485.122 5181.989 -768.777 0.018690 0.004904 270129.107 332.818 -461.996 0.025588 0.006472 303638.972 30184.023 -28369.471 0.017659 0.003458 365589.690 3453.270 -4057.100 0.015105 0.003258 394450.074 21031.850 -21411.142 0.008437 0.002224 422861.656 3421.070 -3682.485 0.015277 0.003489 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 52265.982 121.749 -116.447 0.374025 0.066119 52515.798 152.752 -128.067 0.409756 0.066471 56035.064 201.008 -195.148 0.404426 0.069459 56475.975 223.951 -239.903 0.340161 0.059303 56894.767 211.346 -194.841 0.342412 0.063638 57268.583 110.828 -162.470 0.302148 0.052597 57472.683 139.910 -93.271 0.408521 0.087097 57757.986 210.647 -145.393 0.231518 0.049418 58253.078 184.423 -284.445 0.296640 0.043787 61806.371 170.495 -208.111 0.362554 0.081196 62102.009 90.486 -125.144 0.154420 0.034560 62338.080 130.217 -145.585 0.210935 0.035673 136709.094 133.531 -159.826 0.082623 0.018784 137006.619 217.118 -163.995 0.070094 0.015104 137432.572 184.815 -208.835 0.068256 0.014668 137731.102 111.945 -113.715 0.108919 0.024450 138032.102 189.551 -189.056 0.075156 0.015751 138429.781 175.494 -208.128 0.069696 0.015004 138874.131 265.177 -268.857 0.068018 0.012597 142476.821 130.220 -168.152 0.097869 0.020268 142781.197 176.869 -174.156 0.063069 0.015090 143355.498 357.259 -397.432 0.092387 0.012357 229168.569 411.780 -398.084 0.050525 0.008872 229959.816 312.554 -379.467 0.046552 0.009206 230847.689 517.852 -575.318 0.033795 0.006268 247225.589 296.049 -343.319 0.028734 0.007584 248025.489 536.673 -503.850 0.040457 0.007015 264485.122 5181.989 -768.777 0.031475 0.006346 270129.107 332.818 -461.996 0.027050 0.006710 303638.972 30184.023 -28369.471 0.026231 0.004211 365589.690 3453.270 -4057.100 0.014317 0.003177 394450.074 21031.850 -21411.142 0.012611 0.002910 422861.656 3421.070 -3682.485 0.015973 0.003512 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 52265.982 121.749 -116.447 0.667027 0.190132 52515.798 152.752 -128.067 0.764655 0.183463 56035.064 201.008 -195.148 0.620158 0.172217 56475.975 223.951 -239.903 0.603925 0.171498 56894.767 211.346 -194.841 0.686641 0.199939 57268.583 110.828 -162.470 0.515397 0.146052 57472.683 139.910 -93.271 0.718396 0.222105 57757.986 210.647 -145.393 1.109634 0.343234 58253.078 184.423 -284.445 0.770801 0.181141 61806.371 170.495 -208.111 0.995937 0.315434 62102.009 90.486 -125.144 1.350696 0.398689 62338.080 130.217 -145.585 1.052815 0.248429 136709.094 133.531 -159.826 1.368895 0.408604 137006.619 217.118 -163.995 0.813495 0.262118 137432.572 184.815 -208.835 0.902681 0.281956 137731.102 111.945 -113.715 0.747599 0.256726 138032.102 189.551 -189.056 0.687178 0.225624 138429.781 175.494 -208.128 0.904745 0.282985 138874.131 265.177 -268.857 0.533175 0.167332 142476.821 130.220 -168.152 0.747311 0.236478 142781.197 176.869 -174.156 0.826164 0.293258 143355.498 357.259 -397.432 0.557260 0.125215 229168.569 411.780 -398.084 0.571570 0.167280 229959.816 312.554 -379.467 0.575755 0.188490 230847.689 517.852 -575.318 0.835060 0.229312 247225.589 296.049 -343.319 1.343535 0.467398 248025.489 536.673 -503.850 0.604835 0.171286 264485.122 5181.989 -768.777 0.593800 0.196498 270129.107 332.818 -461.996 0.945946 0.335103 303638.972 30184.023 -28369.471 0.673211 0.170476 365589.690 3453.270 -4057.100 1.055065 0.326479 394450.074 21031.850 -21411.142 0.669027 0.234385 422861.656 3421.070 -3682.485 0.956471 0.303202