TARGET: 332 Siri SESSION NUMBER: 382 DATE/TIME: 2008 Mar 14 @ 14:00 FILTER: C TELESCOPE: 0.35 FOCAL LENGTH: 77.00 CAMERA: SBIG ST-8E TEMP (C): -30 EXPOSURE (s): 180 APPROX. RA: 15:00 APPROX. DEC: -17 EXPOSURE JD: Mid-exposure JD CORR METHOD: Light-time JD CORRECTION: JD = JD(raw) - 0.01247d UNITY CORR: -5 * log(SunDist * EarthDist): -3.9632 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: -7.143 BASE CORRECTION: +0.000 PHASE/DIST CORR: +0.000 P/D ADJUST (-/DAY):-0.020 P/D ADJUST (+/DAY):+0.020 THE P/D ADJUSTMENTS ARE 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 ------------------------------------------- 2454540.02534 +0.149 0.007 382 2454540.02790 +0.161 0.008 382 2454540.05069 +0.201 0.006 382 2454540.05322 +0.228 0.006 382 2454540.05570 +0.219 0.006 382 2454540.07868 +0.182 0.010 382 2454540.08279 +0.186 0.011 382 2454540.08528 +0.189 0.011 382 2454540.10773 +0.105 0.006 382 2454540.11015 +0.082 0.005 382 2454540.11267 +0.086 0.007 382 2454540.13540 +0.050 0.004 382 2454540.13783 +0.058 0.005 382 2454540.14194 +0.070 0.005 382 2454540.16503 +0.088 0.011 382 2454540.16758 +0.093 0.018 382 2454540.17810 +0.108 0.006 382 2454540.18053 +0.122 0.006 382 2454540.18305 +0.128 0.006 382 2454540.19077 +0.171 0.005 382 2454540.19332 +0.177 0.005 382 2454540.19575 +0.190 0.005 382 2454540.20352 +0.192 0.005 382 2454540.20598 +0.192 0.005 382 2454540.20840 +0.191 0.005 382 2454540.21653 +0.198 0.005 382 2454540.21906 +0.188 0.005 382 2454540.22148 +0.184 0.004 382 2454540.23126 +0.156 0.005 382 2454540.23369 +0.167 0.005 382 2454540.23802 +0.161 0.005 382 2454540.24451 +0.155 0.008 382 2454540.24855 +0.169 0.014 382 2454540.25099 +0.137 0.018 382 2454540.25758 +0.129 0.005 382 2454540.26193 +0.127 0.004 382 2454540.26436 +0.130 0.004 382 2454540.27257 +0.137 0.004 382 2454540.27500 +0.140 0.004 382 2454540.27752 +0.124 0.004 382 END OF FIXED DATA SECTION. DO NOT MAKE ANY CHANGES ABOVE THIS LINE.