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The C2-hydrocarbon link in cometary comae
Weiler, M.; Bockelée-Morvan, D.; Hutsemekers, Damien et al.
2012In EPSC Abstracts, p. 492, pp. 1-2
 

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Keywords :
comets; solar system
Abstract :
[en] Comet 8P/Tuttle was the target of an ESO multiwavelength observing campaign in 2008. Observations of the spatial distribution of C2 and C3 were obtained, as well as simultaneous direct detections of the C2 parent species C2H2 and C2H6. We combine these observations to investigate the origin of cometary C2. The observed C2 column densities are inconsistent with a production of C2 from C2H2, C2H6, and C3. Based on a photochemical model, we quantitatively discuss the influence of further potential C2 parent species. The assumption of C4H2 as an additional C2 parent species in comet 8P/Tuttle provides the best explanation for the observed C2 column densities.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Weiler, M.
Bockelée-Morvan, D.
Hutsemekers, Damien ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astroph. extragalactique et observations spatiales (AEOS)
Jehin, Emmanuel  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astrophysique et traitement de l'image
Manfroid, Jean  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO)
Muinonen, K.
Oszkiewicz, D.A.
Schulz, R.
Stuewe, J.
Language :
English
Title :
The C2-hydrocarbon link in cometary comae
Publication date :
2012
Event name :
European Planetary Science Congress 2012
Event place :
Madrid, Spain
Event date :
23-28 September, 2012
Audience :
International
Journal title :
EPSC Abstracts
Pages :
492, pp. 1-2
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