TARGET: 2195 SESSION NUMBER: 169 DATE/TIME: 2006 Apr 15 @ 09:30 FILTER: C TELESCOPE: 0.36m SCT FOCAL LENGTH: 77.44 CAMERA: SBIG ST-9E TEMP (C): -30 EXPOSURE (s): 240 APPROX. RA: 13:11 APPROX. DEC: + 0 EXPOSURE JD: Mid-exposure JD CORR METHOD: Light-time JD CORRECTION: JD = JD(raw) - 0.00840d UNITY CORR: -5 * log(SunDist * EarthDist): -2.7557 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: +14.197 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: 2195 SESSION NUMBER: 171 DATE/TIME: 2006 Apr 16 @ 10:00 FILTER: C TELESCOPE: 0.36m SCT FOCAL LENGTH: 56.00 CAMERA: SBIG ST-8E TEMP (C): -15 EXPOSURE (s): 240 APPROX. RA: 13:11 APPROX. DEC: + 0 EXPOSURE JD: Mid-exposure JD CORR METHOD: Light-time JD CORRECTION: JD = JD(raw) - 0.00840d UNITY CORR: -5 * log(SunDist * EarthDist): -2.7557 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: +14.575 BASE CORRECTION: +0.378 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) ********************************************************************************************* ------------------------------------------- J.D. Obj-CAvg Err Session ------------------------------------------- 2453840.90312 +1.565 0.028 169 2453840.90662 +1.527 0.027 169 2453840.91013 +1.505 0.026 169 2453840.92593 +1.368 0.021 169 2453840.92938 +1.394 0.022 169 2453840.93279 +1.384 0.021 169 2453840.94822 +1.523 0.022 169 2453840.95190 +1.535 0.022 169 2453840.95554 +1.501 0.021 169 2453840.97091 +1.464 0.020 169 2453840.97439 +1.453 0.020 169 2453840.97809 +1.350 0.018 169 2453840.99364 +1.384 0.017 169 2453840.99725 +1.430 0.018 169 2453841.00073 +1.535 0.020 169 2453841.01679 +1.509 0.019 169 2453841.02048 +1.481 0.019 169 2453841.02396 +1.510 0.019 169 2453841.04098 +1.359 0.016 169 2453841.04463 +1.377 0.017 169 2453841.04823 +1.429 0.017 169 2453841.06426 +1.534 0.019 169 2453841.06783 +1.546 0.019 169 2453841.07149 +1.570 0.020 169 2453841.08687 +1.449 0.017 169 2453841.09039 +1.402 0.017 169 2453841.09417 +1.397 0.017 169 2453841.11789 +1.474 0.018 169 2453841.12132 +1.523 0.019 169 2453841.12487 +1.544 0.020 169 2453841.13977 +1.503 0.019 169 2453841.14326 +1.473 0.019 169 2453841.14694 +1.431 0.018 169 2453841.16232 +1.413 0.019 169 2453841.16587 +1.411 0.019 169 2453841.16931 +1.398 0.019 169 2453841.18529 +1.547 0.022 169 2453841.18906 +1.556 0.023 169 2453841.19257 +1.487 0.022 169 2453841.20940 +1.407 0.021 169 2453841.21286 +1.379 0.021 169 2453841.21631 +1.390 0.022 169 2453841.23188 +1.410 0.025 169 2453841.23533 +1.463 0.029 169 2453841.91311 +1.352 0.016 171 2453841.91662 +1.354 0.016 171 2453841.92108 +1.328 0.015 171 2453841.93762 +1.447 0.016 171 2453841.94208 +1.510 0.017 171 2453841.94561 +1.518 0.017 171 2453841.98469 +1.353 0.013 171 2453841.98822 +1.360 0.013 171 2453841.99173 +1.429 0.014 171 2453842.00914 +1.563 0.015 171 2453842.01264 +1.595 0.016 171 2453842.01623 +1.557 0.015 171 2453842.03400 +1.419 0.014 171 2453842.03752 +1.395 0.013 171 2453842.04171 +1.385 0.013 171 2453842.05850 +1.502 0.015 171 2453842.06200 +1.550 0.015 171 2453842.06647 +1.553 0.015 171 2453842.08291 +1.482 0.014 171 2453842.08735 +1.411 0.014 171 2453842.09091 +1.404 0.014 171 2453842.10753 +1.407 0.014 171 2453842.11200 +1.437 0.014 171 2453842.11554 +1.507 0.015 171 2453842.13272 +1.577 0.016 171 2453842.13627 +1.516 0.015 171 2453842.13981 +1.471 0.015 171 2453842.15742 +1.324 0.014 171 2453842.16101 +1.340 0.014 171 2453842.16519 +1.379 0.015 171 2453842.18204 +1.540 0.018 171 2453842.18557 +1.549 0.018 171 2453842.19003 +1.579 0.019 171 2453842.20669 +1.404 0.019 171 2453842.21088 +1.359 0.018 171 2453842.21444 +1.352 0.019 171