TARGET: 3875 SESSION NUMBER: 36 DATE/TIME: 2005 Sep 02 @ 12:00 FILTER: C TELESCOPE: 0.36m SCT FOCAL LENGTH: 57.20 CAMERA: SBIG ST8E Bin 2 TEMP (C): -20 EXPOSURE (s): 120 APPROX. RA: 22:35 APPROX. DEC: -15 EXPOSURE JD: Mid-exposure JD CORR METHOD: Light-time JD CORRECTION: JD = JD(raw) - 0.0047d UNITY CORR: -5 * log(SunDist * EarthDist): -0.8201 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: +12.985 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: 3875 SESSION NUMBER: 38 DATE/TIME: 2005 Sep 06 @ 09:30 FILTER: C TELESCOPE: 0.36m SCT FOCAL LENGTH: 57.20 CAMERA: SBIG ST8E Bin 2 TEMP (C): -15 EXPOSURE (s): 120 APPROX. RA: 22:32 APPROX. DEC: -16 EXPOSURE JD: Mid-exposure JD CORR METHOD: Light-time JD CORRECTION: JD = JD(raw) - 0.0047d UNITY CORR: -5 * log(SunDist * EarthDist): -0.8478 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: +11.805 BASE CORRECTION: -1.180 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) ********************************************************************************************* TARGET: 3875 SESSION NUMBER: 39 DATE/TIME: 2005 Sep 21 @ 09:30 FILTER: C TELESCOPE: 0.36m SCT FOCAL LENGTH: 57.20 CAMERA: SBIG ST8E Bin 2 TEMP (C): -15 EXPOSURE (s): 180 APPROX. RA: 22:24 APPROX. DEC: -17 EXPOSURE JD: Mid-exposure JD CORR METHOD: Light-time JD CORRECTION: JD = JD(raw) - 0.0051d UNITY CORR: -5 * log(SunDist * EarthDist): -1.0250 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: +11.450 BASE CORRECTION: -1.535 PHASE/DIST CORR: +0.650 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 ------------------------------------------- 2453615.92197 -0.017 0.008 36 2453615.92381 -0.026 0.008 36 2453615.92565 -0.023 0.008 36 2453615.92749 -0.016 0.008 36 2453615.92934 -0.015 0.008 36 2453615.95351 -0.035 0.007 36 2453615.95536 -0.036 0.007 36 2453615.95721 -0.031 0.007 36 2453615.95905 -0.038 0.007 36 2453615.96089 -0.034 0.007 36 2453615.96274 -0.036 0.007 36 2453615.96458 -0.021 0.007 36 2453615.96644 -0.037 0.007 36 2453615.96828 -0.038 0.007 36 2453615.97012 -0.036 0.007 36 2453615.97197 -0.042 0.007 36 2453615.97381 -0.046 0.007 36 2453615.97565 -0.040 0.007 36 2453615.97749 -0.048 0.007 36 2453615.97934 -0.032 0.007 36 2453615.98118 -0.027 0.007 36 2453615.98302 -0.044 0.007 36 2453615.98487 -0.042 0.007 36 2453615.98671 -0.053 0.007 36 2453615.98854 -0.043 0.007 36 2453615.99038 -0.045 0.007 36 2453615.99223 -0.047 0.007 36 2453615.99407 -0.047 0.007 36 2453615.99591 -0.043 0.007 36 2453615.99776 -0.033 0.007 36 2453615.99961 -0.048 0.007 36 2453616.00145 -0.051 0.007 36 2453616.00329 -0.046 0.008 36 2453616.00513 -0.044 0.008 36 2453616.00698 -0.050 0.008 36 2453619.92354 -0.623 0.013 38 2453619.92521 -0.636 0.012 38 2453619.92688 -0.612 0.013 38 2453619.92855 -0.600 0.013 38 2453619.93655 -0.587 0.012 38 2453619.93821 -0.596 0.012 38 2453619.93988 -0.590 0.012 38 2453619.94156 -0.571 0.012 38 2453619.94322 -0.576 0.012 38 2453619.94489 -0.573 0.012 38 2453619.94656 -0.553 0.012 38 2453619.94822 -0.546 0.012 38 2453619.94989 -0.558 0.012 38 2453619.95155 -0.558 0.012 38 2453619.95321 -0.535 0.012 38 2453619.95488 -0.543 0.012 38 2453619.95655 -0.532 0.012 38 2453619.95821 -0.526 0.012 38 2453619.95988 -0.523 0.012 38 2453619.96155 -0.620 0.011 38 2453619.96321 -0.521 0.012 38 2453619.96489 -0.525 0.012 38 2453619.96656 -0.523 0.012 38 2453619.96822 -0.521 0.012 38 2453619.96989 -0.510 0.012 38 2453619.97157 -0.489 0.012 38 2453619.97324 -0.500 0.012 38 2453619.97490 -0.489 0.012 38 2453619.97658 -0.480 0.012 38 2453619.97825 -0.488 0.012 38 2453619.97991 -0.477 0.012 38 2453619.98164 -0.466 0.012 38 2453619.98331 -0.458 0.012 38 2453619.98496 -0.456 0.012 38 2453619.98663 -0.454 0.012 38 2453619.98829 -0.471 0.012 38 2453619.98996 -0.449 0.012 38 2453619.99164 -0.445 0.012 38 2453619.99331 -0.445 0.012 38 2453619.99498 -0.438 0.012 38 2453619.99665 -0.426 0.012 38 2453619.99832 -0.418 0.012 38 2453619.99998 -0.418 0.012 38 2453620.00165 -0.409 0.012 38 2453620.00332 -0.429 0.012 38 2453620.00499 -0.425 0.012 38 2453620.00666 -0.402 0.012 38 2453620.00833 -0.398 0.012 38 2453620.00999 -0.395 0.012 38 2453620.01166 -0.376 0.013 38 2453620.01333 -0.382 0.012 38 2453620.01501 -0.377 0.013 38 2453620.01667 -0.381 0.012 38 2453620.01834 -0.359 0.013 38 2453620.02001 -0.389 0.012 38 2453620.02549 -0.354 0.013 38 2453620.02716 -0.356 0.013 38 2453620.02881 -0.349 0.013 38 2453620.03049 -0.329 0.013 38 2453620.03216 -0.307 0.013 38 2453620.03383 -0.307 0.013 38 2453620.03550 -0.313 0.013 38 2453620.03717 -0.339 0.013 38 2453620.03884 -0.315 0.013 38 2453620.04050 -0.338 0.013 38 2453620.04218 -0.312 0.013 38 2453620.05628 -0.291 0.014 38 2453634.88440 -0.233 0.040 39 2453634.89355 -0.221 0.039 39 2453634.89671 -0.229 0.039 39 2453634.89987 -0.263 0.036 39 2453634.90237 -0.197 0.039 39 2453634.90490 -0.214 0.038 39 2453634.90739 -0.226 0.038 39 2453634.91014 -0.270 0.035 39 2453634.91263 -0.278 0.035 39 2453634.91566 -0.261 0.035 39 2453634.91816 -0.216 0.036 39 2453634.92134 -0.272 0.034 39 2453634.92690 -0.277 0.033 39 2453634.93203 -0.239 0.035 39 2453634.93450 -0.254 0.033 39 2453634.93714 -0.261 0.033 39 2453634.93964 -0.267 0.032 39 2453634.94239 -0.248 0.032 39 2453634.95478 -0.325 0.029 39 2453634.95744 -0.286 0.030 39 2453634.96051 -0.302 0.029 39 2453634.96350 -0.306 0.029 39 2453634.96599 -0.320 0.029 39 2453634.97148 -0.312 0.029 39 2453634.97720 -0.316 0.030 39 2453634.98279 -0.428 0.028 39 2453634.98818 -0.388 0.030 39 2453634.99148 -0.379 0.032 39 2453634.99397 -0.382 0.032 39 2453634.99940 -0.441 0.033 39 2453635.00474 -0.470 0.036 39 2453635.01085 -0.426 0.040 39 2453635.01365 -0.400 0.042 39 2453635.01614 -0.495 0.036 39 2453635.02165 -0.544 0.039 39 2453635.02523 -0.486 0.042 39 2453635.02772 -0.476 0.044 39 2453635.03068 -0.570 0.036 39 2453635.03316 -0.550 0.038 39 2453635.03894 -0.466 0.047 39 2453635.04198 -0.578 0.039 39 2453635.04465 -0.594 0.044 39 2453635.04743 -0.594 0.048 39 2453635.04992 -0.609 0.044 39 2453635.05559 -0.641 0.039 39 2453635.05864 -0.641 0.034 39