TARGET: 4580 SESSION NUMBER: 145 DATE/TIME: 2006 Mar 17 @ 11:00 FILTER: C TELESCOPE: 0.36m SCT FOCAL LENGTH: 57.20 CAMERA: SBIG ST-8E TEMP (C): -15 EXPOSURE (s): 180 APPROX. RA: 12:03 APPROX. DEC: + 3 EXPOSURE JD: Mid-exposure JD CORR METHOD: Light-time JD CORRECTION: JD = JD(raw) - 0.00792d UNITY CORR: -5 * log(SunDist * EarthDist): -2.5568 MAG. METHOD: M/IR Derived 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. BASE COMP VALUE: +13.616 BASE CORRECTION: +0.000 PHASE/DIST CORR: +0.000 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: 4580 SESSION NUMBER: 147 DATE/TIME: 2006 Mar 18 @ 11:00 FILTER: C TELESCOPE: 0.36m SCT FOCAL LENGTH: 77.44 CAMERA: SBIG ST-8E TEMP (C): -15 EXPOSURE (s): 180 APPROX. RA: 12:02 APPROX. DEC: + 3 EXPOSURE JD: Mid-exposure JD CORR METHOD: Light-time JD CORRECTION: JD = JD(raw) - 0.00792d UNITY CORR: -5 * log(SunDist * EarthDist): -2.5568 MAG. METHOD: M/IR Derived 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. BASE COMP VALUE: +13.694 BASE CORRECTION: +0.078 PHASE/DIST CORR: -0.020 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: 4580 SESSION NUMBER: 149 DATE/TIME: 2006 Mar 21 @ 10:30 FILTER: C TELESCOPE: 0.36m SCT FOCAL LENGTH: 77.44 CAMERA: SBIG ST-9E TEMP (C): -15 EXPOSURE (s): 180 APPROX. RA: 12:00 APPROX. DEC: + 4 EXPOSURE JD: Mid-exposure JD CORR METHOD: Light-time JD CORRECTION: JD = JD(raw) - 0.00791d UNITY CORR: -5 * log(SunDist * EarthDist): -2.5543 MAG. METHOD: M/IR Derived 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. BASE COMP VALUE: +13.833 BASE CORRECTION: +0.217 PHASE/DIST CORR: +0.000 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: 4580 SESSION NUMBER: 152 DATE/TIME: 2006 Mar 22 @ 10:30 FILTER: C TELESCOPE: 0.36m SCT FOCAL LENGTH: 77.44 CAMERA: SBIG ST-9E TEMP (C): -15 EXPOSURE (s): 180 APPROX. RA: 11:59 APPROX. DEC: + 4 EXPOSURE JD: Mid-exposure JD CORR METHOD: Light-time JD CORRECTION: JD = JD(raw) - 0.00791d UNITY CORR: -5 * log(SunDist * EarthDist): -2.5543 MAG. METHOD: M/IR Derived 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. BASE COMP VALUE: +13.554 BASE CORRECTION: -0.062 PHASE/DIST CORR: +0.020 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: 4580 SESSION NUMBER: 154 DATE/TIME: 2006 Mar 25 @ 10:30 FILTER: C TELESCOPE: 0.36m SCT FOCAL LENGTH: 77.44 CAMERA: SBIG ST-9E TEMP (C): -15 EXPOSURE (s): 180 APPROX. RA: 11:57 APPROX. DEC: + 5 EXPOSURE JD: Mid-exposure JD CORR METHOD: Light-time JD CORRECTION: JD = JD(raw) - 0.00793d UNITY CORR: -5 * log(SunDist * EarthDist): -2.5591 MAG. METHOD: M/IR Derived 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. BASE COMP VALUE: +14.168 BASE CORRECTION: +0.552 PHASE/DIST CORR: +0.110 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: 4580 SESSION NUMBER: 156 DATE/TIME: 2006 Mar 26 @ 10:30 FILTER: C TELESCOPE: 0.36m SCT FOCAL LENGTH: 77.44 CAMERA: SBIG ST-9E TEMP (C): -15 EXPOSURE (s): 180 APPROX. RA: 11:56 APPROX. DEC: + 5 EXPOSURE JD: Mid-exposure JD CORR METHOD: Light-time JD CORRECTION: JD = JD(raw) - 0.00794d UNITY CORR: -5 * log(SunDist * EarthDist): -2.5607 MAG. METHOD: M/IR Derived 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. BASE COMP VALUE: +14.274 BASE CORRECTION: +0.658 PHASE/DIST CORR: +0.140 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 ------------------------------------------- 2453812.04863 +1.664 0.017 145 2453812.05133 +1.657 0.018 145 2453812.06396 +1.707 0.019 145 2453812.06664 +1.655 0.021 145 2453812.08099 +1.779 0.026 145 2453812.08364 +1.828 0.023 145 2453812.09884 +2.002 0.023 145 2453812.10146 +1.961 0.025 145 2453812.10443 +1.725 0.024 145 2453812.11725 +1.643 0.023 145 2453812.12000 +1.637 0.021 145 2453812.12261 +1.608 0.021 145 2453812.13510 +1.466 0.022 145 2453812.13779 +1.479 0.023 145 2453812.14043 +1.570 0.021 145 2453812.93847 +1.723 0.023 147 2453812.94113 +1.721 0.023 147 2453812.94376 +1.721 0.023 147 2453812.95740 +1.858 0.027 147 2453812.96006 +1.834 0.029 147 2453812.96268 +1.804 0.029 147 2453812.98990 +1.684 0.021 147 2453812.99254 +1.637 0.022 147 2453812.99519 +1.607 0.020 147 2453813.01139 +1.616 0.021 147 2453813.01407 +1.607 0.022 147 2453813.01676 +1.657 0.037 147 2453815.92683 +1.852 0.011 149 2453815.92948 +1.858 0.011 149 2453815.93207 +1.846 0.011 149 2453815.94613 +1.689 0.009 149 2453815.94883 +1.682 0.009 149 2453815.95150 +1.663 0.009 149 2453815.95784 +1.607 0.008 149 2453815.96050 +1.594 0.008 149 2453815.96319 +1.587 0.008 149 2453815.97499 +1.611 0.008 149 2453815.97772 +1.646 0.008 149 2453815.98037 +1.655 0.008 149 2453815.99216 +1.717 0.009 149 2453815.99482 +1.734 0.009 149 2453815.99747 +1.761 0.009 149 2453816.00926 +1.897 0.011 149 2453816.01209 +1.884 0.011 149 2453816.01476 +1.833 0.010 149 2453816.91615 +1.593 0.039 152 2453816.91878 +1.590 0.039 152 2453816.92135 +1.672 0.025 152 2453816.92440 +1.619 0.028 152 2453816.92703 +1.642 0.029 152 2453816.92976 +1.669 0.020 152 2453816.93293 +1.702 0.019 152 2453816.93558 +1.701 0.016 152 2453816.93826 +1.679 0.014 152 2453816.95047 +1.699 0.013 152 2453816.95317 +1.702 0.013 152 2453816.95587 +1.599 0.011 152 2453816.96795 +1.875 0.015 152 2453816.97065 +1.911 0.016 152 2453816.97328 +1.934 0.017 152 2453816.98519 +1.753 0.010 152 2453816.98789 +1.803 0.010 152 2453816.99052 +1.779 0.013 152 2453817.00247 +1.648 0.010 152 2453817.00515 +1.552 0.009 152 2453817.00782 +1.614 0.009 152 2453817.01970 +1.623 0.009 152 2453817.02240 +1.648 0.011 152 2453817.02510 +1.657 0.011 152 2453817.03429 +1.715 0.010 152 2453817.03734 +1.665 0.009 152 2453817.04049 +1.602 0.008 152 2453817.07100 +1.751 0.010 152 2453817.07372 +1.740 0.010 152 2453817.07643 +1.757 0.011 152 2453817.08868 +1.604 0.011 152 2453817.09143 +1.618 0.011 152 2453817.09415 +1.620 0.010 152 2453817.10639 +1.657 0.011 152 2453817.10912 +1.699 0.013 152 2453817.11187 +1.660 0.010 152 2453817.12659 +1.643 0.048 152 2453817.12929 +1.783 0.041 152 2453819.92418 +1.872 0.010 154 2453819.92706 +1.898 0.010 154 2453819.92974 +1.904 0.010 154 2453819.94192 +1.884 0.009 154 2453819.94500 +1.853 0.009 154 2453819.94808 +1.789 0.009 154 2453819.96046 +1.647 0.008 154 2453819.96317 +1.633 0.008 154 2453819.96585 +1.640 0.007 154 2453819.97957 +1.620 0.007 154 2453819.98232 +1.630 0.007 154 2453819.98503 +1.649 0.007 154 2453819.99737 +1.708 0.010 154 2453820.00010 +1.771 0.011 154 2453820.00282 +1.798 0.014 154 2453820.01546 +1.886 0.009 154 2453820.01817 +1.861 0.009 154 2453820.02089 +1.835 0.008 154 2453820.03313 +1.767 0.008 154 2453820.03587 +1.752 0.008 154 2453820.03859 +1.768 0.008 154 2453820.05113 +1.545 0.007 154 2453820.05387 +1.557 0.007 154 2453820.05659 +1.547 0.006 154 2453820.06937 +1.695 0.021 154 2453820.93047 +1.581 0.010 156 2453820.93316 +1.604 0.009 156 2453820.93585 +1.597 0.009 156 2453820.94993 +1.677 0.009 156 2453820.95263 +1.690 0.009 156 2453820.95535 +1.713 0.009 156 2453820.96769 +1.839 0.010 156 2453820.97042 +1.876 0.010 156 2453820.97311 +1.909 0.010 156 2453820.98533 +1.901 0.010 156 2453820.98807 +1.879 0.009 156 2453820.99084 +1.844 0.009 156 2453821.00505 +1.644 0.008 156 2453821.00776 +1.644 0.008 156 2453821.01086 +1.580 0.007 156 2453821.02528 +1.615 0.007 156 2453821.02799 +1.634 0.007 156 2453821.03070 +1.654 0.007 156 2453821.04308 +1.637 0.007 156 2453821.07920 +1.789 0.008 156 2453821.08190 +1.778 0.008 156 2453821.08459 +1.771 0.008 156 2453821.09644 +1.611 0.007 156 2453821.09915 +1.610 0.007 156 2453821.10187 +1.600 0.007 156 2453821.11379 +1.655 0.007 156 2453821.11661 +1.665 0.007 156 2453821.11937 +1.670 0.007 156 2453821.13165 +1.732 0.008 156 2453821.13437 +1.762 0.008 156 2453821.13705 +1.785 0.008 156 2453821.14934 +1.949 0.009 156 2453821.15242 +1.946 0.009 156 2453821.15548 +1.930 0.009 156 2453821.16800 +1.842 0.009 156 2453821.17076 +1.788 0.009 156 2453821.17353 +1.731 0.008 156 2453821.18799 +1.586 0.008 156 2453821.19066 +1.587 0.008 156 2453821.19337 +1.584 0.008 156 2453821.20567 +1.652 0.009 156 2453821.20876 +1.663 0.009 156 2453821.21198 +1.699 0.009 156 2453821.22650 +1.813 0.013 156 2453821.22926 +1.850 0.013 156 2453821.23197 +1.910 0.013 156