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Mars proton aurora: energy deposition and Lyman-α line profile
Gérard, Jean-Claude; Hubert, Benoît; Bisikalo, D. V. et al.
2017European Planetary Science Congress (EPSC)
Editorial reviewed
 

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Abstract :
[en] Enhancements of the Lyman-alpha dayglow have been occasionally observed with IUVS on board MAVEN during periods of increased solar wind activity. They are interpreted as signatures of the penetration of energetic protons and H atoms into the Martian atmosphere. We present the results of Monte Carlo simulations of the energy deposition of the proton/H atom beam and the subsequent Lyman-alpha emission. We compare the observed brightness and the altitude of the emission peak with those calculated based on in-situ measurements of the incident energetic protons.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Gérard, Jean-Claude  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO)
Hubert, Benoît  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP)
Bisikalo, D. V.
Shematovich, V. I.
Language :
English
Title :
Mars proton aurora: energy deposition and Lyman-α line profile
Publication date :
September 2017
Event name :
European Planetary Science Congress (EPSC)
Event organizer :
Copernicus
Event place :
Riga, Latvia
Event date :
Septembre 2017
Audience :
International
Peer reviewed :
Editorial reviewed
Funders :
BELSPO - SPP Politique scientifique - Service Public Fédéral de Programmation Politique scientifique
Available on ORBi :
since 30 December 2017

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