Variability of precipitating ion fluxes during the September 2017 event at Mars

Antoine Martinez; François Leblanc; Jean-Yves Chaufray; Ronan Modolo; Norberto Romanelli; S. Curry; J. Luhmann; R. Lillis; T. Hara; J. Mcfadden; J. Halekas; F. Eparvier; D. Larson; J. Connerney; Y. Ma; M. Holmström; O. Witasse; B. Jakosky

doi:10.1029/2018JA026123

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Variability of precipitating ion fluxes during the September 2017 event at Mars

Journal article

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Variability of precipitating ion fluxes during the September 2017 event at Mars

Antoine Martinez, François Leblanc, Jean-Yves Chaufray, Ronan Modolo, Norberto Romanelli, S. Curry, J. Luhmann, R. Lillis, T. Hara, J. Mcfadden, …

Journal of geophysical research. Space physics, Vol.124(1), pp.420-432

01/01/2019

DOI: 10.1029/2018JA026123

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Abstract

International audience; In this work, we study the influence of the September 2017 solar event on the precipitating heavy ion fluxes towards Mars' atmosphere as seen by MAVEN/SWIA, an energy and angular ion spectrometer and by MAVEN/STATIC, an energy, mass and angular ion spectrometer. After a careful reconstruction of the background induced by the Solar Energetic Particle (SEP) event in the MAVEN/SWIA spectrometer, we investigate the precipitating ion flux responses to the space weather events that took place in September 2017. This period is a unique opportunity to analyze the respective role of various possible drivers of heavy ion precipitation into Mars’ atmosphere with a wide range of different space weather events occurring during the same month. This study shows an increase in the precipitation flux by more than one order of magnitude during the arrival of the September Interplanetary Coronal Mass Ejection (ICME) compared to the average flux during quiet solar conditions. We also showed that among the possible solar drivers, the solar wind dynamic pressure is the most significant during September 2017.

Astrophysics

Physics

Sciences of the Universe

Space Physics

Details

Title: Subtitle: Variability of precipitating ion fluxes during the September 2017 event at Mars
Creators: Antoine Martinez - Laboratoire atmosphères, milieux, observations spatiales
François Leblanc - Laboratoire atmosphères, milieux, observations spatiales
Jean-Yves Chaufray - Laboratoire atmosphères, milieux, observations spatiales
Ronan Modolo - Université Paris-Saclay
Norberto Romanelli - Université Paris-Saclay
S. Curry - University of California, Berkeley
J. Luhmann - University of California, Berkeley
R. Lillis - University of California, Berkeley
T. Hara - University of California, Berkeley
J. Mcfadden - University of California, Berkeley
J. Halekas - University of Iowa
F. Eparvier - Laboratory for Atmospheric and Space Physics
D. Larson - University of California, Berkeley
J. Connerney
Y. Ma - University of California, Los Angeles
M. Holmström - Swedish Institute of Space Physics
O. Witasse - European Space Research and Technology Centre
B. Jakosky - Laboratory for Atmospheric and Space Physics
Resource Type: Journal article
Publication Details: Journal of geophysical research. Space physics, Vol.124(1), pp.420-432
DOI: 10.1029/2018JA026123
ISSN: 2169-9380
eISSN: 2169-9402
Publisher: American Geophysical Union/Wiley
Grant note: DOI: 10.13039/501100001665, name: Agence Nationale de la Recherche, award: ANR‐13‐BS05‐0012‐02, ANR‐09‐BLAN‐0223; DOI: 10.13039/501100002830, name: Centre National d’Etudes Spatiales; DOI: 10.13039/501100000844, name: European Space Agency
Language: English
Date published: 01/01/2019
Academic Unit: Physics and Astronomy
Record Identifier: 9984428830402771

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