Society of Physics Students Symposium

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Observations to Complement the Occultation of KBO 55636

Astrophysics

Jensen-Clem, Rebecca

The Kuiper Belt object (KBO) 55636 was observed for seven weeks between August 25th and October 12th with the United States Navel Observatory's 61-inch telescope in order to complement observations of the KBO's stellar occultation on October 9th, 2009. A lightcurve was constructed in order to compare the KBO's current period and lightcurve shape to previous observations. The phase dispersion minimization (PDM) technique is currently being used to fit a period to the lightcurve. This spring, a second lightcurve will be constructed from data taken by observatories just outside of the predicted occultation shadow on October 9th, 2009 in order to test for an extended atmosphere and small satellites.