Article (Scientific journals)
Monte Carlo model of electron transport for the calculation of Mars dayglow emissions
Shematovich, V. I.; Bisikalo, D. V.; Gérard, Jean-Claude et al.
2008In Journal of Geophysical Research. Planets, 113, p. 02011
Peer reviewed
 

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Keywords :
Planetary Sciences: Solar System Objects: Mars; MARS; ultraviolet; dayglow; Mars Express; SPICAM; Monte Carlo; limb profile
Abstract :
[en] A model of the photoelectron collision-induced component of the Mars dayglow using recent cross sections and solar flux is described. The calculation of the photoelectron source of excitation is based on a stochastic solution of the Boltzmann equation using the direct simulation Monte Carlo method. The neutral atmosphere is taken from outputs of a global circulation model, and recent inelastic collision cross sections are adopted. The calculated vertical profiles of the CO Cameron bands and CO[SUB]2[/SUB] [SUP]+[/SUP] doublet emissions integrated along the line of sight compare well with the Spectroscopy for the Investigation of the Characteristics of the Atmosphere of Mars (SPICAM) limb profiles observed with the SPICAM spectrograph on board Mars Express made at Ls = 166° during the summer season at northern midlatitudes. The comparison shows agreement to within the uncertainties of the excitation cross sections. Seasonal changes in the brightness and the altitude of the emission peaks are predicted with intensity variations in the range 15-20%.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Shematovich, V. I.;  Institute of Astronomy, Russian Academy of Sciences, Moscow, Russia) ; AB(Institute of Astronomy, Russian Academy of Sciences, Moscow, Russia) ; AC(Laboratoire de Physique Atmosphérique et Planétaire, Université de Liège, Liege, Belgium) ; AD(Laboratoire de Physique Atmosphérique et Planétaire, Université de Liège, Liege, Belgium) ; AE(Atmospheric, Oceanic and Space Sciences, College of Engineering, University of Michigan, Ann Arbor, Michigan, USA) ; AF(Service d'Aéronomie du CNRS, Verrières-le-Buisson, France
Bisikalo, D. V.
Gérard, Jean-Claude  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP)
Cox, Cédric ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP)
Bougher, Stephen W.
Leblanc, F.
Language :
English
Title :
Monte Carlo model of electron transport for the calculation of Mars dayglow emissions
Publication date :
01 February 2008
Journal title :
Journal of Geophysical Research. Planets
ISSN :
2169-9097
eISSN :
2169-9100
Publisher :
American Geophysical Union, Washington, United States - District of Columbia
Volume :
113
Pages :
02011
Peer reviewed :
Peer reviewed
Funders :
BELSPO - SPP Politique scientifique - Service Public Fédéral de Programmation Politique scientifique
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