DPS Meeting, Madison, October 1998
Session 42. Comets IV
Contributed Oral Parallel Session, Thursday, October 15, 1998, 2:30-3:50pm, Madison Ballroom C

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[42.04] A photometric study of comet 46P/Wirtanen

B.E.A. Mueller, M. J. S. Belton (KPNO/NOAO)

We observed 46P/Wirtanen at the CTIO-1.5m telescope August 8-12, September 6-7, and November 3-4, 1996 in the R filter. On August 10, we also used U,B,V,I filters to track possible color variations.

In all our observations a discernable coma was present. We are extracting lightcurve information from the data and will present the results of our period search and compare our values with the ones given by Meech {\it et al.\/} 1997 and Lamy {\it et al.\/} 1998. We also investigate the temporal changes in the coma from August to November 1996. Those results will also be presented.


\noindent \underline{References}



\item{Lamy, P.L., Jorda, L., Weaver, H.L., and A'Hearn, A. 1998. The nucleus and inner coma of Comet 46P/Wirtanen. {\it A&A} {\bf 335}, L25}


\item{Meech, K.J., Bauer, J.M., and Hainaut, O.R. 1997. Rotation of comet 46P/Wirtanen. {\it A&A\/} {\bf 326}, 1268}


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