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Thermophysical Model of the Production Rate of Comet C/1995 O1 (Hale-Bopp)

Gortsas, Nikolaos and Kührt, Ekkehard and Motschmann, Uwe (2008) Thermophysical Model of the Production Rate of Comet C/1995 O1 (Hale-Bopp). Thermal Models of Planetary Science, 2008-09-15 - 2008-09-17, Nizza, France.

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Abstract

A new approach to thermophysical modeling of comets is presented and applied to interpret the production rate measurements of water and CO of comet C/1995 O1 (HaleBopp). A longterm observation campaign of this exceptional comet showed that the production rate of a volatile species like CO is coupled to the solar irradiation of the surface [1]. This is only conceivable if CO is located close to the surface. By solving the Stefan problem of a multilayered comet nucleus in a consistent way we obtain production rate curves for water and CO which we compare with measurements. Possible implications on the target comet of ESA's Rosetta mission 67P/ChuryumovGerasimenko are discussed. [1] Biver N. et al. (2002) Earth Moon and Planets, 90, 514

Document Type:Conference or Workshop Item (Speech)
Title:Thermophysical Model of the Production Rate of Comet C/1995 O1 (Hale-Bopp)
Authors:
AuthorsInstitution or Email of Authors
Gortsas, NikolaosUNSPECIFIED
Kührt, EkkehardUNSPECIFIED
Motschmann, UweDLR und TU Braunschweig
Date:17 September 2008
Refereed publication:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Comets, Activity, Simulation, Thermal Modeling, C/1995 O1 (Hale-Bopp)
Event Title:Thermal Models of Planetary Science
Event Location:Nizza, France
Event Type:international Conference
Event Dates:2008-09-15 - 2008-09-17
Organizer:L'Observatoire de la Cte d' Azur
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EW - Erforschung des Weltraums
DLR - Research area:Space
DLR - Program:W EW - Erforschung des Weltraums
DLR - Research theme (Project):W - Vorhaben Asteroiden und Kometen (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Asteroids and Comets
Deposited By: Nikolaos Gortsas
Deposited On:16 Mar 2009
Last Modified:15 Jan 2010 01:12

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