Zero point magnitudes (all zeros) and magitude constants. Vega is assigned zero magnitude in UBVRI. Bessell tells me (in a round about way) that this is good. U B V R I .000 .000 .000 .000 .000 -13.951 -13.055 -13.731 -13.663 -14.434 Magnitudes interpolated from observed/other light curves. Actually I have no observed B magnitudes after day 100. I've just scaled some 72E light curve data No. t(days) U B V R I 1 3.7 .000 4 14.788 0 14.767 0 14.493 0 .000 4 2 5.0 .000 4 14.356 0 14.357 0 14.506 2 .000 4 3 10.5 .000 4 13.071 0 13.076 0 14.562 2 .000 4 4 20.0 .000 4 12.723 0 12.615 0 14.658 2 .000 4 5 25.0 .000 4 12.979 0 12.757 0 14.708 2 .000 4 6 39.0 .000 4 14.473 0 13.575 0 14.850 2 .000 4 7 68.0 .000 4 15.865 0 14.822 0 15.143 2 .000 4 8 203.6 .000 4 17.873 0 17.543 0 16.513 2 .000 4 9 244.7 .000 4 18.518 0 18.186 0 16.928 2 .000 4 245.65 18.2 IAUC 5203 10 264.0 .000 4 18.818 0 18.404 0 17.122 2 .000 4 11 272.6 .000 4 18.953 0 18.500 0 17.210 2 .000 4 272.64 18.5 IAUC 5207 12 297.5 .000 4 19.342 0 18.777 2 17.461 2 .000 4 13 350.5 .000 4 20.168 0 19.365 2 17.996 2 .000 4 14 571.0 .000 4 23.609 0 21.816 2 20.223 2 .000 4 15 571.0 .000 4 23.609 0 21.816 2 20.223 2 .000 4 16 572.0 .000 4 23.625 0 21.827 2 20.234 2 .000 4 0 means everything is OK. 2 means the magnitude required an extrapolation of the light curve. 4 means there is no light curve data. Correction factors for observed spectra. These are the factors to multiply the spectra by in order to make the spectra yield the ``observed'' magnitudes. No. t(days) U B V R I 1 3.7 .000E+00 4 8.350E-01 0 8.611E-01 0 1.114E+00 1 .000E+00 4 2 5.0 .000E+00 4 1.519E+01 1 1.099E+01 0 7.468E+00 3 .000E+00 4 3 10.5 .000E+00 4 9.644E-01 0 1.024E+00 0 2.502E-01 3 .000E+00 4 4 20.0 .000E+00 4 1.473E+00 1 1.300E+00 0 1.949E-01 3 .000E+00 4 5 25.0 .000E+00 4 1.133E+00 1 1.050E+00 0 1.698E-01 2 .000E+00 4 6 39.0 .000E+00 4 8.761E-01 1 8.749E-01 0 2.393E-01 2 .000E+00 4 7 68.0 .000E+00 4 7.788E-01 1 7.292E-01 0 4.113E-01 2 .000E+00 4 8 203.6 .000E+00 4 1.069E+00 0 1.111E+00 0 4.633E+00 2 .000E+00 4 9 244.7 .000E+00 4 7.110E-01 0 7.194E-01 0 4.322E+00 2 .000E+00 4 10 264.0 .000E+00 4 1.163E+00 1 1.261E+00 0 7.561E+00 2 .000E+00 4 11 272.6 .000E+00 4 1.230E+00 0 1.517E+00 0 1.043E+01 2 .000E+00 4 12 297.5 .000E+00 4 1.067E+00 0 1.460E+00 2 9.952E+00 2 .000E+00 4 13 350.5 .000E+00 4 9.617E-01 0 1.913E+00 2 1.589E+01 2 .000E+00 4 14 571.0 .000E+00 4 9.884E-01 1 4.591E+00 2 2.767E+01 3 .000E+00 4 This is no. 14 is the average of no. 15 and 16. 15 571.0 .000E+00 4 1.205E+00 1 5.565E+00 2 7.030E+01 3 .000E+00 4 16 572.0 .000E+00 4 9.129E-01 1 3.859E+00 2 1.693E+01 3 .000E+00 4 0 means everything is OK. 1 means the spectrum did not cover the whole passband. 2 means the observed magnitude required an extrapolation of the observed light curve. 3 means both 1 and 2. 4 means there is no observed light curve data. Synthetic magnitudes of spectra. No. t(days) U B V R I 1 3.7 14.701 1 14.592 0 14.605 0 14.610 1 15.242 1 2 5.0 18.538 1 17.310 1 16.960 0 16.689 1 17.191 1 3 10.5 12.621 0 13.032 0 13.102 0 13.057 1 14.305 1 4 20.0 14.253 1 13.144 1 12.899 0 12.882 1 13.858 1 5 25.0 15.104 1 13.114 1 12.810 0 12.783 0 13.088 0 6 39.0 16.112 1 14.330 1 13.430 0 13.297 0 13.337 0 7 68.0 17.446 1 15.594 1 14.479 0 14.178 0 14.042 0 8 203.6 19.121 1 17.945 0 17.657 0 18.177 0 18.345 0 9 244.7 20.061 1 18.147 0 17.828 0 18.517 0 18.442 0 10 264.0 26.821 1 18.982 1 18.656 0 19.319 0 19.127 1 11 272.6 20.282 1 19.178 0 18.952 0 19.756 0 19.472 0 12 297.5 21.092 1 19.412 0 19.188 0 19.956 0 19.443 0 13 350.5 19.970 1 20.126 0 20.069 0 20.999 0 19.971 0 14 571.0 24.461 1 23.597 1 23.471 0 23.829 1 22.892 1 This is no. 14 is the average of no. 15 and 16. 15 571.0 24.514 1 23.812 1 23.680 0 24.841 1 23.022 1 16 572.0 26.573 1 23.526 1 23.294 0 23.305 1 22.414 1 0 means everything is OK. 1 means the spectrum did not cover the whole passband.