DPS 2001 meeting, November 2001
Session 28. Deep Space 1 at Comet Borrelly
Oral, Chairs: M. Festou, D. Boice, Thursday, November 29, 2001, 10:30-11:40am, Regency GH

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[28.02] Lightcurve observations of 19P/Borrelly

B.E.A. Mueller, N.H. Samarasinha (NOAO)

We observed comet 19P/Borrelly, a target for NASA's Deep Space 1 space mission during July 27 - August 1, 2000 at the CTIO-1.5m telescope. We obtained a rotational lightcurve in R and derived a period of 26 hours assuming a double peaked lightcurve. The observed mean magnitude is consistent with an effective radius of 2.5km for the nucleus. Detailed results from our photometric study of 19P/Borrelly will be presented at the meeting. This work was supported by a grant from the NASA Planetary Astronomy Program.


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