31st Annual Meeting of the DPS, October 1999
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All findings are embargoed until the time of presentation at the meeting.

Session 17. Comet Comae Posters

Poster Group I, Monday-Wednesday, October 11, 1999, Kursaal Center

17.01 Modelling of OH Radio Emission from Comet Hale-Bopp
F.P. Schloerb, A.J Lovell, C.H. DeVries, A Chander (FCRAO)
17.02 Evidence for collisional effects in the radial distributions of OH and C in the coma of C/1995 O1 (Hale-Bopp).
W.M. Harris, J. Morgenthaler, E. Mierkiewicz, F. Scherb (University of Wisconsin), R. Oliversen (Goddard Space Flight Center), K. Nordsieck (University of Wisconsin)
17.03 The composition of comet C/1999H1 (Lee) from radio observations
D. Bockel\'ee-Morvan (Obs. Paris), N. Biver (Univ. Hawaii), P. Colom, J. Crovisier, E. G\'erard, F. Henry (Obs. Paris), J.K. Davies, H. Matthews (JAC), D.C. Lis, T.G. Phillips (Caltech), F. Rantakyro (SEST), H. Weaver (J. Hopkins Univ.)
17.04 Constraints for the formation of comets from their measured D/H ratios in H2O and HCN
O. Mousis, D. Gautier (DESPA, URA 264, Obs. de Meudon, France), F. Robert (Lab. de Mineralogie, CNRS-ESA 7058, Museum d'Histoire Naturelle, France), B. Dubrulle (CNRS, UPR 182, Service d'Astrophysique, CEA/Saclay, L'Orme des Merisiers, France)
17.05 Ethane production and release in Comet C/1995 O1 Hale-Bopp.
N. Dello Russo (Catholic University/NASA-GSFC), M. J. Mumma (NASA-GSFC), M. A. DiSanti (Catholic University/NASA-GSFC), K. Magee-Sauer (Rowan University), R. Novak (Iona College), T. W. Rettig (Notre Dame University)
17.06 Time-dependent Fluorescence Processes of CH, S2, and C2H6 in Comets
S.J. Kim (Kyunghee University)
17.07 Detection of CO and depleted ethane in Comet 21P/Giacobini-Zinner: Evidence for variable chemistry in the outer solar nebula.
T. Rettig (Univ. Notre Dame), M. J. Mumma (NASA GSFC), M. A. DiSanti, N. Dello Russo (Catholic Univ. and NASA GSFC), K. Magee-Sauer (Rowan Univ.)
17.08 CO Emission in Comets C/1995 O1 (Hale-Bopp) and C/1996 B2 (Hyakutake)
M. A. DiSanti (Catholic U./NASA-GSFC), M. J. Mumma (NASA-GSFC), N. Dello Russo (Catholic U./NASA-GSFC), K. Magee-Sauer (Rowan U.), R. Novak (Iona College), T. W. Rettig (Notre Dame U.)
17.09 Comparison of Long-term Activity of Comet Hale-Bopp at Visible and Mm-wavelengths
M. Womack (St. Cloud State University), A. Homich (University of Minnesota)
17.10 The Water Production Rate of Comet Hale-Bopp as Determined by [O~I] 6300~Å~Measurements
J. P. Morgenthaler, W. Harris, F. Scherb, C. W. Anderson, F. L. Roesler (UW--Madison), R. J. Oliversen (GSFC), N. E. Doane (Raytheon ITSS), W. H. Smyth (AER), M. L. Marconi (FPRI)
17.11 Comparison of Coma Morphology in 9 Comets
R. Schulz (ESA/SSD)
17.12 Imaging the Dynamics of Icy Particles in the Near-Nuclear Region of Comet Hale-Bopp
D. McCarthy (U. Arizona), S. Stolovy (CalTech), S. Kern, H. Campins, S. Larson, T. Ferro (U. Arizona)
17.13 Parameters of luminescence cometary continuum in spectra of comets Schaumasse (24P), Scoritchenko-George (C/1989 Y1), and Hale-Bopp (C/1995 O1)
K. I. Churyumov, V. V. Kleshchonok (Kyiv National University, Ukraine)
17.14 A Model of the Neutral Coma of Comet Hale-Bopp (1995 O1) from the Surface of the Nucleus to One Million Kilometers
M.R. Combi, K. Kabin, T.I. Gombosi, D.L. DeZeeuw (SPRL/U. of Michigan), K.G. Powell (Dept. of Aerospace Engineering/U. of Michigan)
17.15 Dusty Gas Flow in the Inner Coma of Comet Hale-Bopp
D.C. Boice (SwRI), J.-I. Watanabe (NAOJ)
17.16 Heterogeneous gas-dust flow in the innermost coma. Kinetic approach.
Y. V. Skorov, H. U. Keller (MPI for Aeronomy), H. Rickman (Uppsala Univ.)
17.17 Dust Coma Simulations: Grains Fragmentation or Fading Grains?
L.M. Lara (Sci-SO at SSD, ESTEC-ESA, The Netherlands), P.J. Gutierrez (IAA-CSIC, Spain), R. Schulz (Sci-SO at SSD, ESTEC-ESA, The Netherlands), J.A. St\"uwe (Astronomisches Institut, Ruhr-Universi\"at Bochum, Germany), G.P. Tozzi (Osservatorio Astrofisico di Arcetri, Italy)
17.18 Presence of Polycyclic Aromatic Molecules in comet P/Halley
J. Clairemidi, C. Reylé-Laffont, G. Moreels (Observatoire de Besançon), P. Brechignac (Laboratoire de Photophysique Moleculaire, Univ. Paris Sud)
17.19 N2+ in Comets?
A. L. Cochran, E. S. Barker, W. D. Cochran (U. Texas)
17.20 HCO+ in Comet Hale-Bopp: A Comparison of Observations and MHD Models
A.J. Lovell, A.L. Iler, F.P. Schloerb (FCRAO), K.C. Hansen, M.R. Combi, R.M H\"aberli, T.I. Gombosi (Univ. of Michigan)
17.21 FE-SEM, AFM & TEM Study of Interplanetary Dust Particles for the Rosetta Mission
K. Nakamura, W. Kloeck (Dept. of Mineralogy\&Geochemistry, University of Halle, Germany), W. Erfurth, M. Wiegand (Max-Planck-Institute of Microstructure Physics, Halle, Germany)
17.22 Sulfur Chemistry in Comets Hale-Bopp and Hyakutake
L.M. Woodney, M.F. A'Hearn (University of Maryland), Imke de Pater, J.R. Forster (UC, Berkeley), Y.-J. Kuan (Academia Sinica), R Meier (University of Maryland), Patrick Palmer (Univeristy of Chicago), L.E. Snyder, J. M. Veal (University of Illinois), M.C.H. Wright (UC, Berkeley)

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