################################################################# Photometric Measurements of 1506 Xosa in I Band University of Wisconsin-Eau Claire Asteroid Group George Stecher, gstecher@uwec.edu Lyle Ford, fordla@uwec.edu Natalie Bianchi Department of Physics and Astronomy University of Wisconsin-Eau Claire 105 Garfield Ave. Eau Claire, Wisconsin 54702-4004 USA http://www.uwec.edu/physics/asteroid/ Measurements made at Hobbs Observatory (MPC code 750) 0.6 m "Air Force" telescope (f/5 Alt-Azimuth Newtonian) Photometrics Star-1 camera Omega Optical Bessell Photometric filters 60 second exposures Instrumental magnitudes found using MPO Canopus 9.3.1.0 R and I data used to find transforms (by spreadsheet). Modified Hardie method used to determine first order extinction coefficients. Observations NOT corrected for asteroid-Earth light travel time. ################################################################# J.D. Mag. Err ------------------------------- 2453537.71644 12.875 0.008 2453537.71759 12.879 0.019 2453537.72014 12.898 0.020 2453537.72237 12.913 0.021 2453537.72465 12.911 0.025 2453537.72736 12.988 0.029 2453537.72963 12.998 0.024 2453537.73201 12.980 0.028 2453537.73428 12.994 0.025 2453537.73657 12.997 0.031 2453537.73877 13.011 0.028 2453537.74280 13.027 0.032 2453537.74502 13.055 0.033 2453537.74829 13.041 0.033 2453537.75058 13.062 0.034 2453537.75296 13.059 0.035 2453537.75527 13.023 0.044 2453537.75811 13.030 0.037 2453537.76031 13.001 0.041 2453537.76244 13.032 0.040 2453537.76481 13.014 0.039 2453537.76720 12.958 0.039 2453537.76942 12.946 0.037 2453537.77285 12.903 0.040 2453537.77506 12.848 0.042 2453537.77725 12.841 0.045 2453537.77944 12.813 0.048 2453537.78164 12.870 0.043 2453537.78271 12.838 0.043 2453537.78483 12.823 0.043 2453537.78698 12.837 0.043 2453537.78912 12.842 0.045 2453537.79243 12.837 0.045 2453537.79476 12.863 0.049 2453537.79694 12.875 0.047 2453537.79902 12.855 0.049 2453537.80355 12.873 0.050 2453537.80676 12.910 0.051 2453537.80897 12.908 0.059 2453537.81117 12.897 0.052 2453537.81360 12.948 0.052 2453537.81719 12.997 0.054 2453537.81953 12.987 0.053 2453537.82185 13.005 0.052 2453537.82428 13.005 0.053 2453537.82656 12.973 0.057 2453537.82877 12.947 0.058 2453537.83103 12.986 0.055 2453537.83366 12.966 0.056 2453537.83708 12.947 0.065 2453537.83947 12.970 0.060 2453537.84187 13.012 0.059 2453537.84433 13.010 0.058 2453537.84634 12.995 0.058 2453537.84872 13.017 0.059 2453537.85105 12.963 0.058 2453537.85326 12.992 0.061 2453537.85545 12.952 0.064 2453537.85881 12.942 0.061 2453537.86103 12.911 0.065 2453537.86317 12.923 0.067 2453537.86531 12.926 0.066 2453537.86743 12.900 0.066 2453537.86955 12.915 0.073 2453538.65601 12.934 0.008 2453538.65815 12.925 0.014 2453538.66116 12.915 0.016 2453538.66329 12.929 0.018 2453538.66549 12.947 0.018 2453538.66755 12.941 0.020 2453538.66971 12.918 0.026 2453538.67179 12.926 0.023 2453538.67398 12.925 0.025 2453538.67608 12.909 0.028 2453538.67824 12.928 0.028 2453538.68029 12.934 0.027 2453538.68241 12.911 0.030 2453538.68472 12.880 0.030 2453538.68686 12.864 0.034 2453538.68904 12.846 0.033 2453538.69110 12.822 0.035 2453538.69328 12.833 0.036 2453538.69539 12.830 0.037 2453538.69867 12.809 0.037 2453538.70074 12.826 0.039 2453538.70292 12.831 0.037 2453538.70510 12.833 0.037 2453538.70723 12.841 0.037 2453538.71052 12.847 0.045 2453538.71157 12.860 0.039 2453538.71367 12.905 0.041 2453538.71576 12.930 0.046 2453538.71787 12.936 0.044 2453538.72001 12.939 0.048 2453538.72321 12.958 0.045 2453538.72752 12.972 0.043 2453538.72966 12.951 0.044 2453538.73177 12.980 0.045 2453538.73387 12.944 0.045 2453538.73598 12.952 0.051 2453538.73807 12.948 0.049 2453538.74154 12.975 0.046 2453538.74384 12.994 0.048 2453538.74640 12.999 0.047 2453538.74956 13.005 0.049 2453538.75194 12.945 0.050 2453538.75473 12.963 0.051 2453538.75714 12.948 0.050 2453538.75949 12.908 0.052 2453538.76309 12.883 0.052 2453538.76539 12.861 0.053 2453538.76762 12.873 0.057 2453538.76985 12.876 0.055 2453538.77325 12.879 0.054 2453538.77547 12.881 0.054 2453538.77803 12.879 0.057 2453538.78153 12.913 0.059 2453538.78409 12.932 0.058 2453538.78662 12.954 0.056 2453538.78914 12.972 0.059 2453538.79178 12.944 0.059 2453538.79472 12.970 0.059 2453538.79780 12.952 0.060 2453538.80197 12.968 0.060 2453538.80439 13.010 0.058 2453538.80678 12.977 0.058 2453538.80914 12.988 0.059 2453538.81163 12.957 0.060 2453538.81400 12.965 0.061 2453538.81649 12.975 0.063 2453538.81885 12.983 0.062 2453538.82421 12.941 0.064 2453538.82656 12.926 0.065 2453538.82885 12.944 0.062 2453538.83128 12.977 0.064 2453538.83345 12.971 0.063 2453538.83571 12.999 0.063 2453538.83866 12.971 0.063 2453538.84295 12.943 0.066 2453538.84508 12.946 0.064 2453538.84729 12.948 0.065 2453538.85017 12.918 0.066 2453538.85370 12.887 0.071 2453538.85909 12.874 0.067 2453538.86146 12.872 0.067 2453538.86406 12.835 0.069