Reference : Discovery of Diffure Aurora on Mars
Scientific congresses and symposiums : Unpublished conference/Abstract
Physical, chemical, mathematical & earth Sciences : Space science, astronomy & astrophysics
Discovery of Diffure Aurora on Mars
Stiepen, Arnaud mailto [Université de Liège > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP) >]
Schneider []
Jain []
Deighan []
Stewart []
Evans []
Stevens []
Larson []
Mitchell []
Montmessin []
Chaffin []
McClintock []
Clarke []
Holsclaw []
Jakosky []
European Planetary Science Congress 2015
du 27 Septembre au 02 Octobre 2015
[en] Mars ; aurora ; MAVEN
[en] The Imaging Ultraviolet Spectrograph (IUVS, McClintock et al., 2014) onboard the MAVEN spacecraft has discovered diffuse aurora in Mars’ northern hemisphere spanning a wide range of geographic latitudes and longitudes (Figure 1). This widespread aurora differs from the small auroral patches discovered by the SPICAM instrument onboard the Mars Express spacecraft (Bertaux et al., 2005; Leblanc et al., 2008; Gérard et al., submitted; Soret et al., submitted) restricted to regions of crustal
magnetic fields in the southern hemisphere.
Furthermore, the northern diffuse aurora appears to peak at altitudes below 100 km, while the crustal
field aurora peaked around 120 km.

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