! Swift/XRT lightcurve of trigger: 510922, name: GRB 120102A ! T0 for this burst is Swift MET=347163362.752 s, = 2012 Jan 02 at 02:15:55.013 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/00510922 ! BINMODE: GRB-like (counts) READ TERR 1 2 ! WTSLEW data !Time T_+ve T_-ve Flux Fluxpos Fluxneg 102.340004748933 0.644644270411305 -0.623827719425705 1.48329545947779e-09 2.21186829273293e-10 -2.21240904997348e-10 104.768312790811 1.75688121525825 -1.78366377146675 6.9138998944462e-10 1.1041035065405e-10 -1.11348673200523e-10 109.048290120417 3.13531888837157 -2.52309611434843 9.71334114475161e-10 1.48620816691249e-10 -1.46567332202332e-10 NO NO NO NO NO ! WT data !Time T_+ve T_-ve Flux Fluxpos Fluxneg 121.623 2.362 -2.447 1.064684894e-09 1.591840328e-10 -1.602789838e-10 126.858 2.903 -2.872 8.74136016e-10 1.335955881e-10 -1.343118803e-10 132.937 3.881 -3.176 7.22344051e-10 1.110820334e-10 -1.112974369e-10 142.754 5.295 -5.936 4.54542894e-10 6.92511976e-11 -6.9705298e-11 1129.389 1.988 -3.059 8.45521404e-10 1.979714932e-10 -1.550842735e-10 1135.218 3.190 -3.841 6.07986756e-10 1.37140094e-10 -1.062449453e-10 1140.528 2.145 -2.120 9.02142501e-10 2.110115657e-10 -1.643787834e-10 1144.805 2.445 -2.132 8.65109219e-10 1.994339399e-10 -1.538183296e-10 1149.432 2.768 -2.181 8.76515328e-10 1.991482532e-10 -1.529859734e-10 1154.519 1.871 -2.319 1.001921674e-09 2.338127818e-10 -1.827031128e-10 1158.904 2.462 -2.514 8.57211225e-10 1.999723076e-10 -1.5554188e-10 1163.655 2.504 -2.289 9.03795204e-10 2.075105435e-10 -1.602983278e-10 1169.499 2.780 -3.339 6.41789993e-10 1.515809139e-10 -1.187756661e-10 1174.692 2.242 -2.414 8.13394244e-10 1.922489335e-10 -1.507068875e-10 1178.984 1.777 -2.050 1.069519282e-09 2.432179958e-10 -1.862672851e-10 1183.081 2.284 -2.320 8.87259308e-10 2.032726761e-10 -1.562867046e-10 1188.409 2.398 -3.044 7.39708918e-10 1.735278506e-10 -1.35312489e-10 1193.617 2.451 -2.810 7.79597455e-10 1.851823688e-10 -1.456477464e-10 1199.207 3.633 -3.139 6.24061217e-10 1.441047803e-10 -1.114058036e-10 1205.986 2.818 -3.146 6.80162444e-10 1.571223654e-10 -1.214759676e-10 1211.734 3.088 -2.931 6.77472016e-10 1.586149968e-10 -1.239244747e-10 1217.897 3.712 -3.075 6.09435541e-10 1.43545779e-10 -1.128418538e-10 1224.635 2.723 -3.026 6.40274713e-10 1.548573442e-10 -1.23407869e-10 1230.554 3.916 -3.196 5.3522833e-10 1.252416399e-10 -9.77681224e-11 1237.652 3.398 -3.181 5.84028809e-10 1.375214932e-10 -1.075822605e-10 1244.157 2.942 -3.107 6.42549245e-10 1.499847115e-10 -1.167661469e-10 1250.081 3.269 -2.982 6.22378289e-10 1.442765389e-10 -1.119204749e-10 1256.611 2.593 -3.260 6.34896275e-10 1.530677421e-10 -1.214033873e-10 1262.545 2.908 -3.341 6.45614866e-10 1.486746794e-10 -1.145217593e-10 1268.924 3.928 -3.471 5.74446275e-10 1.325315069e-10 -1.024318802e-10 1277.457 5.343 -4.606 4.04477801e-10 9.4522441e-11 -7.35683351e-11 1287.115 3.278 -4.314 5.29795487e-10 1.210641419e-10 -9.30433504e-11 1293.128 3.710 -2.736 6.13004509e-10 1.42258194e-10 -1.101859629e-10 1300.474 3.317 -3.636 3.918207397e-10 9.92593433e-11 -8.09056755e-11 1307.141 3.499 -3.350 3.732876563e-10 9.88622674e-11 -8.23051736e-11 1314.852 5.269 -4.212 4.25876295e-10 9.81860737e-11 -7.58754295e-11 NO NO NO NO NO ! PC data !Time T_+ve T_-ve Flux Fluxpos Fluxneg 166.447 12.050 -10.516 3.077056528e-10 6.97077966e-11 -6.97077966e-11 199.281 14.318 -20.784 2.07617137e-10 4.58143296e-11 -4.58143296e-11 232.823 18.386 -19.223 1.939362542e-10 4.29024128e-11 -4.29024128e-11 275.658 15.669 -24.448 2.090103483e-10 4.2988816e-11 -4.2988816e-11 313.282 25.684 -21.955 1.468685543e-10 3.314124905e-11 -3.314124905e-11 365.567 28.559 -26.602 1.266722496e-10 2.862129777e-11 -2.862129777e-11 415.026 16.710 -20.900 1.869047908e-10 4.20655833e-11 -4.20655833e-11 454.387 22.481 -22.651 1.636035726e-10 3.58782437e-11 -3.58782437e-11 512.241 32.325 -35.373 1.031640909e-10 2.33402286e-11 -2.33402286e-11 571.105 21.099 -26.540 1.470395069e-10 3.322323134e-11 -3.322323134e-11 631.272 53.703 -39.068 7.84922697e-11 1.736398443e-11 -1.736398443e-11 718.641 41.553 -33.666 9.32194614e-11 2.095305004e-11 -2.095305004e-11 804.303 63.706 -44.109 6.40594695e-11 1.460786743e-11 -1.460786743e-11 918.830 39.442 -50.821 7.70452176e-11 1.745385746e-11 -1.745385746e-11 990.400 13.004 -32.128 1.54928514e-10 3.482347583e-11 -3.482347583e-11 1018.112 10.365 -14.708 4.45460483e-10 7.96495648e-11 -7.96495648e-11 1039.661 8.875 -11.184 5.35298452e-10 9.7116149e-11 -9.7116149e-11 1058.135 7.952 -9.600 5.97946817e-10 1.102163894e-10 -1.102163894e-10 1072.940 5.683 -6.854 9.41268562e-10 1.629155307e-10 -1.629155307e-10 1085.718 7.949 -7.095 7.65310299e-10 1.340652443e-10 -1.340652443e-10 1100.225 5.979 -6.558 9.48958205e-10 1.644994013e-10 -1.644994013e-10 1115.692 8.057 -9.488 9.03535672e-10 1.354709083e-10 -1.354709083e-10 4543.401 12.544 -15.036 1.897616175e-10 4.06827694e-11 -4.06827694e-11 4581.252 17.317 -25.308 1.120403674e-10 2.512957681e-11 -2.512957681e-11 4627.010 19.198 -28.441 1.000626835e-10 2.26508165e-11 -2.26508165e-11 4663.619 20.198 -17.411 1.261871988e-10 2.847668122e-11 -2.847668122e-11 4722.285 26.723 -38.467 7.65495679e-11 1.690069563e-11 -1.690069563e-11 4773.356 18.276 -24.348 1.283545328e-10 2.712314527e-11 -2.712314527e-11 4818.321 15.935 -26.689 1.125067996e-10 2.523419561e-11 -2.523419561e-11 4851.170 20.696 -16.914 1.272669164e-10 2.863227952e-11 -2.863227952e-11 4891.036 13.425 -19.170 1.474662839e-10 3.302479817e-11 -3.302479817e-11 4929.574 20.019 -25.113 1.116582025e-10 2.447237247e-11 -2.447237247e-11 4967.310 17.384 -17.718 1.416906894e-10 3.137473885e-11 -3.137473885e-11 5001.736 18.061 -17.041 1.369444778e-10 3.076235617e-11 -3.076235617e-11 5046.095 31.370 -26.298 8.63314257e-11 1.906034442e-11 -1.906034442e-11 5113.183 16.935 -35.718 8.96007229e-11 2.03768487e-11 -2.03768487e-11 5155.400 19.850 -25.282 1.163518629e-10 2.497932229e-11 -2.497932229e-11 5195.043 17.817 -19.793 1.261076063e-10 2.850254576e-11 -2.850254576e-11 5225.515 17.432 -12.655 1.582987224e-10 3.550488435e-11 -3.550488435e-11 5264.241 23.838 -21.294 1.055953093e-10 2.375664044e-11 -2.375664044e-11 5312.675 23.043 -24.596 1.102345244e-10 2.366600574e-11 -2.366600574e-11 5371.167 29.741 -35.449 7.3449168e-11 1.657527716e-11 -1.657527716e-11 5427.839 25.723 -26.931 9.04589114e-11 2.038252294e-11 -2.038252294e-11 5487.014 21.708 -33.452 8.65048366e-11 1.952155777e-11 -1.952155777e-11 5544.169 29.744 -35.446 7.28526474e-11 1.649137659e-11 -1.649137659e-11 5622.599 41.576 -48.687 5.23977779e-11 1.186108794e-11 -1.186108794e-11 5712.910 31.500 -48.734 5.8893211e-11 1.331090059e-11 -1.331090059e-11 5771.956 35.136 -27.547 7.56031224e-11 1.70351727e-11 -1.70351727e-11 5842.922 21.839 -35.830 8.24617794e-11 1.858058501e-11 -1.858058501e-11 5899.871 42.616 -35.111 6.36947142e-11 1.41039925e-11 -1.41039925e-11 5977.561 30.116 -35.074 7.27722892e-11 1.644781632e-11 -1.644781632e-11 6043.873 26.487 -36.196 7.56231112e-11 1.703967421e-11 -1.703967421e-11 6092.791 20.193 -22.431 1.113003385e-10 2.507858925e-11 -2.507858925e-11 6165.630 42.632 -52.646 5.21064492e-11 1.15041186e-11 -1.15041186e-11 6265.658 52.926 -57.396 4.50579792e-11 9.91882541e-12 -9.91882541e-12 6337.119 29.104 -18.535 1.000517219e-10 2.250944813e-11 -2.250944813e-11 6399.551 24.340 -33.328 8.17569324e-11 1.847850511e-11 -1.847850511e-11 6464.105 37.513 -40.214 6.09328746e-11 1.375072673e-11 -1.375072673e-11 6530.175 29.111 -28.557 8.20460043e-11 1.854384753e-11 -1.854384753e-11 6588.984 17.941 -29.698 9.97760699e-11 2.248189905e-11 -2.248189905e-11 6630.347 34.246 -23.422 8.18349129e-11 1.849613233e-11 -1.849613233e-11 6711.543 53.343 -46.950 4.70710851e-11 1.068826928e-11 -1.068826928e-11 6807.361 35.251 -42.475 6.11000793e-11 1.3767286e-11 -1.3767286e-11 6884.950 40.404 -42.338 5.70648e-11 1.295751392e-11 -1.295751392e-11 6995.979 104.875 -70.626 5.26525545e-11 8.56500333e-12 -8.56500333e-12 10437.453 27.968 -29.701 2.942906694e-11 6.61786853e-12 -6.61786853e-12 10499.614 28.489 -34.194 2.853798961e-11 6.24764049e-12 -6.24764049e-12 10557.544 35.749 -29.441 2.575498445e-11 5.76549532e-12 -5.76549532e-12 10654.569 39.017 -61.276 1.677006318e-11 3.792685793e-12 -3.792685793e-12 10729.546 26.722 -35.961 2.728865334e-11 6.14351335e-12 -6.14351335e-12 10809.996 56.594 -53.728 1.522151553e-11 3.43072691e-12 -3.43072691e-12 10911.866 39.972 -45.276 2.08006032e-11 4.56358006e-12 -4.56358006e-12 10980.909 36.120 -29.070 2.589814214e-11 5.79754188e-12 -5.79754188e-12 11046.978 32.733 -29.949 2.695938219e-11 6.06938553e-12 -6.06938553e-12 11117.174 32.742 -37.462 2.405002444e-11 5.40212634e-12 -5.40212634e-12 11194.239 33.404 -44.323 2.277153515e-11 4.99599503e-12 -4.99599503e-12 11269.493 30.862 -41.850 2.333948305e-11 5.23659006e-12 -5.23659006e-12 11359.470 56.222 -59.115 1.452323743e-11 3.292059446e-12 -3.292059446e-12 11454.535 41.390 -38.844 2.260731265e-11 4.95996683e-12 -4.95996683e-12 11537.896 35.756 -41.971 2.186330211e-11 4.91094591e-12 -4.91094591e-12 11611.744 37.127 -38.092 2.233386103e-11 5.01096245e-12 -5.01096245e-12 11689.219 37.379 -40.348 2.182587147e-11 4.9025353e-12 -4.9025353e-12 11758.801 40.509 -32.203 2.320471179e-11 5.2181649e-12 -5.2181649e-12 11833.260 33.747 -33.950 2.625199629e-11 5.76582578e-12 -5.76582578e-12 11918.267 28.974 -51.260 2.096735251e-11 4.72039542e-12 -4.72039542e-12 11987.469 24.963 -40.228 2.599906543e-11 5.84654668e-12 -5.84654668e-12 12051.531 31.106 -39.099 2.430748905e-11 5.45377885e-12 -5.45377885e-12 12114.559 28.253 -31.923 2.943023564e-11 6.44992634e-12 -6.44992634e-12 12200.444 40.153 -57.632 1.724245172e-11 3.886218869e-12 -3.886218869e-12 12287.457 53.433 -46.860 1.68516062e-11 3.798127905e-12 -3.798127905e-12 12400.144 51.068 -59.254 1.523595905e-11 3.441809007e-12 -3.441809007e-12 12480.146 41.270 -28.935 2.571227048e-11 5.61691325e-12 -5.61691325e-12 12580.923 53.323 -59.506 1.49315127e-11 3.384605172e-12 -3.384605172e-12 12692.509 39.522 -58.264 1.746545177e-11 3.923097399e-12 -3.923097399e-12 12799.419 78.024 -67.388 1.587844583e-11 3.08155965e-12 -3.08155965e-12 16396.317 38.382 -49.374 1.136465642e-11 2.570984845e-12 -2.570984845e-12 16495.265 49.755 -60.566 1.355400631e-11 2.977172172e-12 -2.977172172e-12 16641.959 63.529 -96.938 1.150209957e-11 2.526357431e-12 -2.526357431e-12 16750.081 70.744 -44.592 1.513992818e-11 3.412516549e-12 -3.412516549e-12 16868.060 50.550 -47.235 1.786499806e-11 4.012963175e-12 -4.012963175e-12 16984.756 64.235 -66.145 1.346230769e-11 3.030913834e-12 -3.030913834e-12 17101.116 55.689 -52.125 1.629704596e-11 3.677537812e-12 -3.677537812e-12 17235.972 73.779 -79.167 1.140145435e-11 2.572814465e-12 -2.572814465e-12 17433.149 69.665 -123.398 9.00021915e-12 2.045018664e-12 -2.045018664e-12 17534.899 33.105 -32.085 1.533149423e-11 3.452211646e-12 -3.452211646e-12 17622.891 42.898 -54.887 1.02418017e-11 2.298120396e-12 -2.298120396e-12 17725.429 50.682 -59.640 1.379404923e-11 3.109438787e-12 -3.109438787e-12 17856.784 77.288 -80.673 1.003727517e-11 2.267627804e-12 -2.267627804e-12 17984.852 44.497 -50.781 1.10064942e-11 2.417812605e-12 -2.417812605e-12 18066.072 28.468 -36.723 1.534214955e-11 3.442568259e-12 -3.442568259e-12 18125.620 29.096 -31.080 1.66511137e-11 3.731945633e-12 -3.731945633e-12 18195.953 28.967 -41.238 1.424399873e-11 3.199876823e-12 -3.199876823e-12 18278.674 46.538 -53.754 9.93998694e-12 2.235592931e-12 -2.235592931e-12 18366.189 46.779 -40.977 1.138667231e-11 2.55798608e-12 -2.55798608e-12 18534.624 119.045 -121.656 1.085157294e-11 1.872335179e-12 -1.872335179e-12 22513.029 99.145 -103.947 1.544679656e-11 3.482917425e-12 -3.482917425e-12 22680.595 56.944 -68.421 8.01278049e-12 1.797978455e-12 -1.797978455e-12 22771.629 33.608 -34.090 1.485484195e-11 3.329378858e-12 -3.329378858e-12 22874.872 55.730 -69.635 8.33114646e-12 1.842462804e-12 -1.842462804e-12 23000.777 62.712 -70.175 7.56348385e-12 1.707110015e-12 -1.707110015e-12 23108.606 52.669 -45.116 1.023726795e-11 2.305188613e-12 -2.305188613e-12 23217.789 46.285 -56.515 9.72625992e-12 2.19268673e-12 -2.19268673e-12 23326.222 83.276 -62.148 6.87561524e-12 1.550037944e-12 -1.550037944e-12 23466.107 58.727 -56.609 1.626733277e-11 3.482626459e-12 -3.482626459e-12 23576.810 50.824 -51.976 1.020544304e-11 2.246895066e-12 -2.246895066e-12 23692.548 67.974 -64.914 7.54521989e-12 1.69900367e-12 -1.69900367e-12 23843.987 46.915 -83.466 7.69393092e-12 1.734518448e-12 -1.734518448e-12 23938.021 43.144 -47.119 1.107833701e-11 2.497499004e-12 -2.497499004e-12 24065.849 108.379 -84.684 1.283081475e-11 2.917880797e-12 -2.917880797e-12 24330.341 99.631 -156.113 7.97546672e-12 1.361566531e-12 -1.361566531e-12 28504.208 88.584 -66.869 6.64608256e-12 1.469668863e-12 -1.469668863e-12 28673.499 69.731 -80.707 6.63757523e-12 1.496289431e-12 -1.496289431e-12 28814.921 53.674 -71.691 7.90232625e-12 1.773150834e-12 -1.773150834e-12 28934.515 59.446 -65.920 7.95266498e-12 1.801124273e-12 -1.801124273e-12 29067.020 59.829 -73.059 7.45342858e-12 1.678254006e-12 -1.678254006e-12 29200.917 43.775 -74.069 8.93507823e-12 1.964905488e-12 -1.964905488e-12 29313.749 63.830 -69.057 7.45070833e-12 1.683507917e-12 -1.683507917e-12 29436.478 61.452 -58.899 8.26457892e-12 1.858737153e-12 -1.858737153e-12 29539.778 98.562 -41.848 7.02369356e-12 1.583331386e-12 -1.583331386e-12 29696.861 69.351 -58.522 7.73653608e-12 1.744025621e-12 -1.744025621e-12 29832.494 96.693 -66.282 6.0638201e-12 1.374943713e-12 -1.374943713e-12 30003.964 60.618 -74.777 7.6304826e-12 1.679872454e-12 -1.679872454e-12 30136.228 68.757 -71.645 8.45394862e-12 1.733989712e-12 -1.733989712e-12 34545.790 77.756 -82.712 6.20254479e-12 1.406583646e-12 -1.406583646e-12 34703.507 50.420 -79.961 7.75249085e-12 1.741621323e-12 -1.741621323e-12 34812.333 51.915 -58.406 9.08509498e-12 2.045781543e-12 -2.045781543e-12 34919.514 70.099 -55.266 7.9488526e-12 1.800477055e-12 -1.800477055e-12 35075.089 69.977 -85.476 6.41768231e-12 1.451943311e-12 -1.451943311e-12 35222.601 42.817 -77.534 8.69139219e-12 1.922195548e-12 -1.922195548e-12 35367.307 81.145 -101.889 5.46416416e-12 1.233312184e-12 -1.233312184e-12 35529.397 84.537 -80.946 6.01637088e-12 1.364364157e-12 -1.364364157e-12 35694.250 90.181 -80.316 5.81872759e-12 1.32423382e-12 -1.32423382e-12 35869.866 110.129 -85.435 5.59559455e-12 1.210928758e-12 -1.210928758e-12 40628.332 64.463 -93.497 6.27608826e-12 1.424745647e-12 -1.424745647e-12 40824.356 99.112 -131.561 3.204111547e-12 8.46837199e-13 -8.46837199e-13 41022.455 96.583 -98.987 5.14892547e-12 1.167499463e-12 -1.167499463e-12 41186.453 88.039 -67.415 6.44941453e-12 1.460671082e-12 -1.460671082e-12 41382.400 132.789 -107.908 3.780137582e-12 9.03731127e-13 -9.03731127e-13 46566.839 134.021 -111.696 3.025503962e-12 7.90569533e-13 -7.90569533e-13 46827.082 71.856 -126.222 5.03044347e-12 1.13325212e-12 -1.13325212e-12 47083.915 191.115 -184.978 4.62061665e-12 7.8905788e-13 -7.8905788e-13 51691.544 63.703 -106.794 6.11969605e-12 1.395737304e-12 -1.395737304e-12 51869.539 96.322 -114.293 4.92069045e-12 1.113721531e-12 -1.113721531e-12 52072.647 78.755 -106.786 5.62609762e-12 1.27435048e-12 -1.27435048e-12 52270.282 116.807 -118.880 3.362447426e-12 8.73443259e-13 -8.73443259e-13 52509.162 118.630 -122.072 4.35434246e-12 9.85537709e-13 -9.85537709e-13 52752.920 140.647 -125.129 3.711980207e-12 8.57706915e-13 -8.57706915e-13 53123.499 186.273 -229.932 4.22576934e-12 7.31847194e-13 -7.31847194e-13 57423.982 109.434 -88.643 3.872829194e-12 1.009542001e-12 -1.009542001e-12 57712.317 116.962 -178.901 2.565486716e-12 6.72619493e-13 -6.72619493e-13 57911.002 76.237 -81.723 6.48015134e-12 1.455221716e-12 -1.455221716e-12 58140.535 235.333 -153.296 2.342798185e-12 5.62433651e-13 -5.62433651e-13 63204.402 151.467 -109.293 3.895510437e-12 9.03596122e-13 -9.03596122e-13 63470.068 123.996 -114.199 3.246441055e-12 8.54324939e-13 -8.54324939e-13 63720.024 94.684 -125.960 4.73586256e-12 1.066107887e-12 -1.066107887e-12 63990.562 145.077 -175.855 3.896484085e-12 8.03333752e-13 -8.03333752e-13 149582.952 191.730 -272.124 2.149772066e-12 5.43331451e-13 -5.43331451e-13 150253.529 581.738 -478.846 1.265558229e-12 2.755784525e-13 -2.755784525e-13 162029.710 384.773 -410.041 1.351196938e-12 3.067880621e-13 -3.067880621e-13 167597.575 218.834 -267.582 1.887098278e-12 4.63678501e-13 -4.63678501e-13 173647.776 227.998 -308.564 1.664147797e-12 4.08385692e-13 -4.08385692e-13 179482.660 272.325 -422.197 1.102566894e-12 2.899549939e-13 -2.899549939e-13 196215.654 316.074 -205.448 1.510636231e-12 3.950719422e-13 -3.950719422e-13 196986.921 708.191 -455.192 7.47860802e-13 1.873265706e-13 -1.873265706e-13 225556.297 999.590 -655.228 6.5674895e-13 1.486853186e-13 -1.486853186e-13 231570.684 745.329 -937.070 4.84787238e-13 1.266562505e-13 -1.266562505e-13 237359.272 716.930 -955.439 8.33602276e-13 1.682731336e-13 -1.682731336e-13 243065.600 829.344 -790.372 8.04139349e-13 1.649386713e-13 -1.649386713e-13 248612.488 1043.022 -576.694 5.24861155e-13 1.368986164e-13 -1.368986164e-13 254532.196 882.359 -769.952 6.08100805e-13 1.439990331e-13 -1.439990331e-13 265997.785 997.789 -641.985 5.43410842e-13 1.361523813e-13 -1.361523813e-13 306665.571 769.067 -918.345 5.17235186e-13 1.310593882e-13 -1.310593882e-13 313076.804 4280.370 -1537.177 4.76598681e-13 1.26805965e-13 -1.26805965e-13 318250.139 704.185 -892.965 5.16215596e-13 1.366221987e-13 -1.366221987e-13 335444.374 850.826 -788.949 6.19391253e-13 1.475180694e-13 -1.475180694e-13