TARGET: 2991 Bilbo SESSION NUMBER: 54 DATE/TIME: 2007 Apr 15 @ 10:00 FILTER: C TELESCOPE: 0.36m SCT FOCAL LENGTH: 77.00 CAMERA: SBIG ST-9E TEMP (C): -15 EXPOSURE (s): 240 APPROX. RA: 14:15 APPROX. DEC: - 4 EXPOSURE JD: Mid-exposure JD CORR METHOD: Light-time JD CORRECTION: JD = JD(raw) - 0.00689d UNITY CORR: -5 * log(SunDist * EarthDist): -2.0823 NOTE: The unity correction is NOT included in the reduced magnitudes. MAG. METHOD: Instrumental NOTE: For multiple sessions, differential magnitudes include adjustments ADDED to the Obj-CAvg value to compensate for changing phase angle, distance, and refinements to the base average value of the comparison stars. The phase angle calculations include the effects of the phase parameter, G. This value is taken from the MPCORB value at the time the calculations were made. BASE COMP VALUE: -7.533 BASE CORRECTION: +0.000 PHASE/DIST CORR: +0.000 P/D ADJUST (-/DAY):-0.029 P/D ADJUST (+/DAY):+0.029 THE P/D ADJUSTMENTS ARE NOT INCLUDED IN THE VALUES BELOW. ERROR CALC: The magnitude error is calculated by the following: Err = sqrt(sqr(ERR[target]) + sqr(Err[Comps])) where Err[Target] = 1.0857/SNR[target] Err[Comps] = sqrt(sqr(1.0857/SNR[Comp1])... + sqr(1.0857/SNR[CompN])) / N The factor of 1.0857 converts flux to magnitudes (Howell) ********************************************************************************************* TARGET: 2991 Bilbo SESSION NUMBER: 57 DATE/TIME: 2007 Apr 16 @ 09:00 FILTER: C TELESCOPE: 0.36m SCT FOCAL LENGTH: 77.00 CAMERA: SBIG ST-9E TEMP (C): -15 EXPOSURE (s): 240 APPROX. RA: 14:15 APPROX. DEC: - 4 EXPOSURE JD: Mid-exposure JD CORR METHOD: Light-time JD CORRECTION: JD = JD(raw) - 0.00687d UNITY CORR: -5 * log(SunDist * EarthDist): -2.0730 NOTE: The unity correction is NOT included in the reduced magnitudes. MAG. METHOD: Instrumental NOTE: For multiple sessions, differential magnitudes include adjustments ADDED to the Obj-CAvg value to compensate for changing phase angle, distance, and refinements to the base average value of the comparison stars. The phase angle calculations include the effects of the phase parameter, G. This value is taken from the MPCORB value at the time the calculations were made. BASE COMP VALUE: -7.360 BASE CORRECTION: +0.173 PHASE/DIST CORR: -0.028 P/D ADJUST (-/DAY):-0.028 P/D ADJUST (+/DAY):+0.028 THE P/D ADJUSTMENTS ARE NOT INCLUDED IN THE VALUES BELOW. ERROR CALC: The magnitude error is calculated by the following: Err = sqrt(sqr(ERR[target]) + sqr(Err[Comps])) where Err[Target] = 1.0857/SNR[target] Err[Comps] = sqrt(sqr(1.0857/SNR[Comp1])... + sqr(1.0857/SNR[CompN])) / N The factor of 1.0857 converts flux to magnitudes (Howell) ********************************************************************************************* TARGET: 2991 Bilbo SESSION NUMBER: 61 DATE/TIME: 2007 Apr 17 @ 10:00 FILTER: C TELESCOPE: 0.36m SCT FOCAL LENGTH: 77.00 CAMERA: SBIG ST-9E TEMP (C): -15 EXPOSURE (s): 240 APPROX. RA: 14:13 APPROX. DEC: - 4 EXPOSURE JD: Mid-exposure JD CORR METHOD: Light-time JD CORRECTION: JD = JD(raw) - 0.00683d UNITY CORR: -5 * log(SunDist * EarthDist): -2.0562 NOTE: The unity correction is NOT included in the reduced magnitudes. MAG. METHOD: Instrumental NOTE: For multiple sessions, differential magnitudes include adjustments ADDED to the Obj-CAvg value to compensate for changing phase angle, distance, and refinements to the base average value of the comparison stars. The phase angle calculations include the effects of the phase parameter, G. This value is taken from the MPCORB value at the time the calculations were made. BASE COMP VALUE: -7.488 BASE CORRECTION: +0.045 PHASE/DIST CORR: -0.070 P/D ADJUST (-/DAY):-0.024 P/D ADJUST (+/DAY):+0.024 THE P/D ADJUSTMENTS ARE NOT INCLUDED IN THE VALUES BELOW. ERROR CALC: The magnitude error is calculated by the following: Err = sqrt(sqr(ERR[target]) + sqr(Err[Comps])) where Err[Target] = 1.0857/SNR[target] Err[Comps] = sqrt(sqr(1.0857/SNR[Comp1])... + sqr(1.0857/SNR[CompN])) / N The factor of 1.0857 converts flux to magnitudes (Howell) ********************************************************************************************* ------------------------------------------- J.D. Obj-CAvg Err Session ------------------------------------------- 2454205.93874 +1.888 0.021 54 2454205.94182 +1.861 0.020 54 2454205.95418 +1.757 0.018 54 2454205.95726 +1.701 0.016 54 2454205.97046 +1.805 0.017 54 2454205.97354 +1.802 0.017 54 2454206.01770 +1.963 0.017 54 2454206.02079 +1.903 0.016 54 2454206.06965 +1.879 0.015 54 2454206.07372 +1.915 0.015 54 2454206.09870 +2.049 0.016 54 2454206.10178 +1.980 0.016 54 2454206.12700 +1.739 0.012 54 2454206.13107 +1.746 0.012 54 2454206.15602 +1.892 0.014 54 2454206.15910 +1.921 0.014 54 2454206.17703 +2.158 0.018 54 2454206.18011 +2.169 0.018 54 2454206.19783 +1.758 0.013 54 2454206.20091 +1.763 0.013 54 2454206.21893 +1.795 0.015 54 2454206.22201 +1.798 0.015 54 2454206.99626 +1.820 0.023 57 2454206.99937 +1.859 0.023 57 2454207.00280 +1.895 0.023 57 2454207.01418 +2.014 0.026 57 2454207.01727 +2.086 0.026 57 2454207.02034 +2.184 0.028 57 2454207.03158 +2.025 0.021 57 2454207.03596 +1.929 0.020 57 2454207.03903 +1.924 0.021 57 2454207.05032 +1.745 0.017 57 2454207.05515 +1.755 0.017 57 2454207.05922 +1.723 0.016 57 2454207.06230 +1.758 0.017 57 2454207.07358 +1.840 0.018 57 2454207.07666 +1.855 0.017 57 2454207.08077 +1.855 0.017 57 2454207.09119 +1.953 0.019 57 2454207.09555 +2.054 0.021 57 2454207.09863 +2.080 0.021 57 2454207.10962 +2.142 0.023 57 2454207.11270 +2.074 0.022 57 2454207.11701 +2.008 0.020 57 2454207.12850 +1.761 0.017 57 2454207.13158 +1.783 0.019 57 2454207.13466 +1.774 0.016 57 2454207.14560 +1.790 0.017 57 2454207.14868 +1.777 0.017 57 2454207.15304 +1.800 0.017 57 2454207.16435 +1.861 0.018 57 2454207.16744 +1.883 0.019 57 2454207.17052 +1.871 0.019 57 2454207.97347 +1.850 0.019 61 2454207.97656 +1.830 0.018 61 2454207.98027 +1.784 0.017 61 2454207.99196 +1.777 0.016 61 2454207.99502 +1.754 0.016 61 2454208.00942 +1.842 0.017 61 2454208.01250 +1.837 0.041 61 2454208.02586 +1.979 0.019 61 2454208.02895 +2.041 0.018 61 2454208.04328 +2.109 0.027 61 2454208.04635 +2.043 0.019 61 2454208.06168 +1.792 0.015 61 2454208.06476 +1.760 0.014 61 2454208.08008 +1.737 0.039 61 2454208.08406 +1.795 0.021 61 2454208.09825 +1.885 0.015 61 2454208.11720 +2.121 0.018 61 2454208.12029 +2.200 0.020 61 2454208.13443 +2.013 0.018 61 2454208.13758 +1.968 0.018 61 2454208.15412 +1.784 0.015 61 2454208.15720 +1.749 0.015 61 2454208.17159 +1.809 0.016 61 2454208.17558 +1.804 0.016 61 2454208.18977 +1.894 0.018 61 2454208.19292 +1.998 0.022 61 2454208.20826 +2.205 0.026 61 2454208.21134 +2.119 0.024 61 2454208.22563 +1.828 0.019 61 2454208.22872 +1.819 0.019 61 2454208.24380 +1.722 0.020 61 2454208.24688 +1.758 0.021 61 END OF FIXED DATA SECTION. DO NOT MAKE ANY CHANGES ABOVE THIS LINE.