DPS 35th Meeting, 1-6 September 2003
Session 39. KBO and Centaurs II
Poster, Highlighted on, Friday, September 5, 2003, 3:30-6:00pm, Sierra Ballroom I-II

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[39.23] KBO light curves derived from the HST/ACS survey

D. E. Trilling, G. M. Bernstein (U. Penn), R. L. Allen (UBC), M. E. Brown (Caltech), M. J. Holman (CfA), R. Malhotra (LPL/Arizona)

We have imaged 0.02 square degrees of sky near the invariable plane in an HST/ACS search for faint Kuiper Belt Objects. We obtained superior time resolution and high accuracy photometry for 00FV53, a known KBO included in the field, and for our newly discovered KBOs. All our observed KBOs show photometric variation with amplitudes ranging from a few percent up to 50% of the KBO's mean photometric value. We will present our derived light curves for all detected KBOs together with some implications for the physical constraints (shape, rotation rate, albedo variations) that can be derived from our data.

This project is supported by STScI grants GO-9433.x.

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Bulletin of the American Astronomical Society, 35 #4
© 2003. The American Astronomical Soceity.