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  Modelling the Environment of 67P/Churyumov--Gerasimenko

Agarwal, J., Müller, M., & Grün, E. (2004). Modelling the Environment of 67P/Churyumov--Gerasimenko. In L. Colangeli, E. M. Epifani, & P. Palumbo (Eds.), The New Rosetta Targets Observations, Simulations and Instrument (pp. 143-152). Dordrecht, Netherlands: Kluwer Academic Publishers.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-8D3D-E Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-8D3E-C
Genre: Conference Paper

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 Creators:
Agarwal, Jessica1, Author           
Müller, M.2, Author           
Grün, Eberhard1, Author           
Affiliations:
1Ralf Srama - Heidelberg Dust Group, Research Groups, MPI for Nuclear Physics, Max Planck Society, ou_907558              
2Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society, ou_904549              

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 Abstract: The ESA Cometary Environment Model is applied to comet 67P/Churyumov-Gerasimenko (C-G). From observed gas and dust production rates the model allows us to determine the conditions in the inner coma of a comet. Assuming a spherical nucleus and an axis symmetric surface activity, the densities and velocities of the gas and of dust particles are calculated as functions of location in the coma. The model is also used to estimate the infrared and visible radiation received by an observer inside the coma due to dust. Observational data for the activity of C-G are available mainly from the apparitions in 1982/83 and 2002/03. For an insolation-driven activity model corresponding to a homogenous surface composition, the results for C-G are compared to those obtained earlier for P/Wirtanen. In order to derive an upper limit for the local densities inside a jet, a Gaussian activity profile centred at the subsolar point is considered.

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Language(s): eng - English
 Dates: 2004
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 207030
 Degree: -

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Title: The New Rosetta Targets Observations, Simulations and Instrument Performances
Place of Event: Capri
Start-/End Date: 2003-10-13 - 2003-10-15

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Title: The New Rosetta Targets Observations, Simulations and Instrument
Source Genre: Proceedings
 Creator(s):
Colangeli, Luigi, Editor
Epifani, Elena Mazzotta, Editor
Palumbo, Pasquale, Editor
Affiliations:
-
Publ. Info: Dordrecht, Netherlands : Kluwer Academic Publishers
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 143 - 152 Identifier: -

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Title: ASTROPHYSICS AND SPACE SCIENCE LIBRARY
Source Genre: Series
 Creator(s):
Burton, W.B., Editor
Affiliations:
-
Publ. Info: -
Pages: - Volume / Issue: 311 Sequence Number: - Start / End Page: - Identifier: -