Joint Discussion 14: Formation of Cometary Material
Tuesday, July 22, 2003, HM3
Organized by Division III – Participating Commissions 15 and 34
Scientific Organizing Committee:
Y. Aikawa (Japan)
P. Caselli (Italy)
P. Ehrenfreund (Netherlands)
D. Gautier (France)
W. F. Huebner (USA – Chairman)
W. M. Irvine (USA)
H.-U. Keller (Germany)
D. H. Wooden (USA)
Local Organizing Committee:
J. Storey (Chairman)
M. Taylor
J. Everett
Editors of Proceedings:W. F. Huebner, Chief Editor
P. Ehrenfreund
H.-U. Keller
Contact Address:W. F. Huebner
Southwest Research Institute
P. O. Drawer 28510
San Antonio, TX 78228-0510
USA
AGENDA
Session 1:
09:00Overview and Goals of the Joint Discussion
09:00W. F. Huebner and H.-U. Keller: (15)
Apparent Inconsistencies in the Formation of Cometary Matter
09:15Observations
09:15D. Bockelée-Morvan: (20)
Structure and Composition of Comets – Ice and Dust.
09:35L. E. Snyder: (15)
Large Interstellar and Cometary Biomolecules.
09:50K. M. Pontoppidan, E. Dartois, W.-F. Thi, and E. F. van Dishoeck: (10)
Processed and Unprocessed Ices in Disks of Low-Mass YSOS.
10:00H. Kawakita, J. Watanabe, R. Furusho, and T. Fuse: (10)
Ortho-to-Para Ratios of Cometary Water and Ammonia.
10:10H. Kimura, I. Mann, E. K. Jessberger, and I. Weber: (15)
Material Processing of Interstellar Dust in Comets.
Posters
M. L. Sitko, D. K. Lynch, R. W. Russell, C. A. Grady, M. S. Hanner, N. Calvet, L. W. Hartmann, and S. M. Brafford:
Mid-IR Spectroscopy of Dusty Protostellar Disks.
M. Honda, H. Kataza, Y. K. Okamoto, T. Miyata, T. Yamashita, S. Sako, T. Fujiyoshi, and T. Onaka:
Silicate Dust Evolution around the Low-Mass YSO.
M. R. Hunt and P. A. Jones:
Biomolecules in Carbonaceous Chondrites and in the ISM.
N. Biver, P. Colom, J. Crovisier, F. Henry, R. Moreno, G. Paubert, D. Despois, and L. Dariusz:
Chemical Diversity of Comets from Radio Observations.
T. Sekiguchi, H. Hasegawa, and N. Ukita:
Millimetric Observations of Comets with the NRO 45-m.
H. Kawakita, J. Watanabe, D. Kinoshita, M. Ishiguro, and R. Nakamura:
Saturated Hydrocarbons in Comet Ikeya-Zhang.
J. Watanabe, M. Honda, T. Yamashita, H. Kataza, T. Miyata, Y. Okamoto, S. Sako, T. Fujiyoshi, T. Onaka, and D. Kinoshita:
10-Micron Feature of Comets Observed by Subaru Telescope.
I. P. Williams:
What Can Meteor Showers Tell us About Cometary Grains.
A. K. Sen and C. L. Kaul:
Polarimetry of Comets and Role of Possible Dust Aging by Sun.
10:25Posters & Coffee
Session 2:
10:45Linking Observationsand LaboratoryResults
10:45P. Ehrenfreund and O. Botta: (20)
From Interstellar Matter to Comets: A Laboratory View.
11:05M. P. Collings, J. W. Dever, H. J. Fraser, and M. R. McCoustra: (10)
The Implications of Ice Morphology for Comet Formation.
11:15A. Kouchi, Y. Kimura, and C. Kaito: (10)
UV-Induced Nano-Diamond Formation in Interstellar Space.
Posters
M. Rost, H. Nübold, T. Poppe, C. Dominik, and K.-H. Glassmeier:
Magnetic Dust Aggregation Experiments on Formation of Comets.
N. Watanabe, T. Shiraki, and A. Kouchi:
Laboratory Study of Hydrogen Addition to CO on Ice at < 20 K.
K. I. Ibadinov and S. S. Shoyokubov:
Simulation of the Formation of Complex Substances in Comets.
11:25Linking Observations and Theoretical Models
11:25P. Schloerb and W. M. Irvine: (20)
Comets and the Composition of the Interstellar Medium.
11:45D. H. Wooden: (20)
Cometary Silicates: Interstellar and Nebular Materials.
12:05A.-C. Levasseur-Regourd: (10)
Light Scattering as a Clue to Cometary Dust Formation.
12:15D. C. Boice and C. Reyle: (10)
The Nature of Diatomic Sulfur in Comets.
12:25T. Owen: (15)
Solar Composition Icy Planetesimals.
Posters
R. Furusho, H. Kawakita, J. Watanabe, and M. Fujii:
Sodium Emission in Cometary Comae.
M. R. Combi, J. T. Makinen, and J.-L. Bertaux:
Pre- and Post-Perihelion Activity of C/1996 B2 (Hyakutake).
Y. Ma, Y. He, and P. Xu:
The Effect of Strong Meteor Shower on Ionosphere.
12:40Posters & Lunch
Session 3:
14:30Theoretical Models
14:30P. Caselli: (20)
Models of Collapsing Clouds as Analogs of the Solar Nebula.
14:50D. Bockelée-Morvan, F. Hersant, D. Gautier, and J.-M. Hure: (15)
The Structure of the Solar Nebula from Cometary Composition.
15:05S. Charnley: (20)
Chemistry of Collapse and Disk Accretion.
15:25Y. Aikawa: (20)
Chemistry in Protoplanetary Disks.
15:45A. Markwick and S. Charnley: (15)
Disk Chemistry and Cometary Composition.
16:00Posters & Coffee
Session 4:
16:20Theoretical Models (continued)
16:20T. Yamamoto and T. Chigai: (20)
A Crystallization Mechanism of Cometary Grains.
16:40T. Nakamoto and H. Miura: (10)
Crystallization of Silicate Dust Particles by Shock Waves.
16:50S. Sirono: (15)
Collisional Simulations of Cometary Nuclei.
Posters
K. I. Churyumov and V. A. Stepanov:
On Eruptive Cosmogony of Comets and their Classification.
R. J. Glinski, W. M. Harris, C. M. Anderson, and J. P. Morgenthaler:
Oxygen/Hydrogen Chemistry in Inner Comae of Active Comets.
J. Leliwa-Kopystynski:
Impacts onto Cometary Nuclei.
17:05Discussion and Summary
17:05Discussion: (35)
17:40H.-U. Keller and W. F. Huebner: (20)
Inconsistencies in the Formation of Cometary Matter.
18:00Close