Session 27. Comet Nuclei I

Contributed Oral Parallel Session, Chair: W.T. Reach, F. Roques, Tuesday, October 12, 1999, 11:20-12:00noon, Sala Pietro d'Abano

27.01 Cometary Activity in TNOs: A Status Report (Invited)

O.R. Hainaut, C.E. Delahodde, H. Boehnhardt (ESO/Chile), E. Dotto, M.A. Barucci (Paris/Meudon), K.J. Meech, J. Bauer (IfA/Hawaii), R.M West (ESO/Garcching), A. Doressoundiram (CalTech), G.P. Tozzi (Arcetri/Italy)

27.02 First Science Observations from the ESO VLT Kueyen Telescope: Comet 46P/Wirtanen, a Tiny Iceball for ROSETTA

H. Boehnhardt (ESO VLT Observatory), C. Delahodde, T. Sekiguchi (ESO Santiago de Chile), O. Hainaut (ESO La Silla Observatory), R. West (ESO Garching), J. Spyromilio, M. Tarenghi (ESO VLT Observatory), R. Schulz, G. Schwehm (ESTEC Noordwijk)

27.03 Characterization of the nucleus of comet Hale-Bopp from HST and ISO observations

P. Lamy (Laboratoire d'Astronomie Spatiale CNRS), L. Jorda (Max-Planck-Institut fur Aeronomie), I. Toth (Laboratoire d'Astronomie Spatiale CNRS \& Konkoly Observatory), O. Groussin (Laboratoire d'Astronomie Spatiale CNRS), M.F. A'Hearn (U. of Maryland), H.A. Weaver (The John Hopkins U.)