Study of the Martian cold oxygen corona from the O I 130.4 nm by IUVS/MAVEN

Jean-Yves Chaufray 1 Justin Deighan 2 Michael S. Chaffin 2 Nick M. Schneider 2 William E. Mcclintock 2 A. Ian F. Stewart 2 Sonal K. Jain 2 Matteo Crismani 2 Arnaud Stiepen 2 Greg M. Holsclaw 2 John T. Clarke 3 Franck Montmessin 1 F. G. Eparvier 2 E. M. B. Thiemann 2 Phillip C. Chamberlin 4 Bruce M. Jakosky 2
1 IMPEC - LATMOS
LATMOS - Laboratoire Atmosphères, Milieux, Observations Spatiales
2 LASP - Laboratory for Atmospheric and Space Physics [Boulder]
3 CSP - Center for Space Physics [Boston]
4 GSFC - NASA Goddard Space Flight Center
Abstract : First observations of the O I 130.4 nm resonant line performed by the Imaging Ultraviolet Spectrograph (IUVS) aboard the Mars Atmosphere and Volatile EvolutioN mission (MAVEN) are presented in this paper. This emission line is observed during the different orbit phases of MAVEN. The atomic oxygen density and the temperature at 200 km are retrieved from an automatic pipeline using a radiative transfer model for resonant scattering lines for a selection of coronal profiles. These selected profiles are representative of the coronal scans done during the first months of the mission (from November 2014 to January 2015). The derived oxygen density and the temperature near the exobase are in the predicted range by the current thermospheric models of Mars for moderate solar activity, and some diurnal variations are observed. However, the absolute calibration of the instrument significantly limits the accuracy of density and temperature results.
Keywords : oxygen exosphere Mars
Type de document :
Article dans une revue
Geophysical Research Letters, American Geophysical Union, 2015, 42 (21), pp.9031-9039. 〈10.1002/2015GL065341〉
Liste complète des métadonnées
https://hal-insu.archives-ouvertes.fr/insu-01238292
Contributeur : Catherine Cardon <>
Soumis le : vendredi 4 décembre 2015 - 16:20:02
Dernière modification le : jeudi 21 mars 2019 - 13:17:26

Lien texte intégral

openaccess

Identifiants

Collections

INSU | UPMC | UVSQ | LATMOS | UNIV-PARIS-SACLAY | SORBONNE-UNIVERSITE | SU-SCIENCES

Citation

Jean-Yves Chaufray, Justin Deighan, Michael S. Chaffin, Nick M. Schneider, William E. Mcclintock, et al.. Study of the Martian cold oxygen corona from the O I 130.4 nm by IUVS/MAVEN. Geophysical Research Letters, American Geophysical Union, 2015, 42 (21), pp.9031-9039. 〈10.1002/2015GL065341〉. 〈insu-01238292〉

Exporter

BibTeX TEI DC DCterms EndNote

Partager

Métriques

Consultations de la notice

181

Contact

support.ccsd.cnrs.fr
hal.support@ccsd.cnrs.fr
Logo CCSD