Reference : New observations of molecular nitrogen in the Martian upper atmosphere by IUVS on MAVEN
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Space science, astronomy & astrophysics
http://hdl.handle.net/2268/190828
New observations of molecular nitrogen in the Martian upper atmosphere by IUVS on MAVEN
English
Stevens, M. H. [Space Science Division Naval Research Laboratory Washington, District of Columbia USA]
Evans, J. S. [Computational Physics, Inc. Springfield, Virginia USA]
Schneider, N. M. [Laboratory for Atmospheric and Space Physics University of Colorado at Boulder Boulder, Colorado USA]
Stewart, A. I. F. [Laboratory for Atmospheric and Space Physics University of Colorado at Boulder Boulder, Colorado USA]
Deighan, J. [Laboratory for Atmospheric and Space Physics University of Colorado at Boulder Boulder, Colorado USA]
Jain, S. K. [Laboratory for Atmospheric and Space Physics University of Colorado at Boulder Boulder, Colorado USA]
Crismani, M. [Laboratory for Atmospheric and Space Physics University of Colorado at Boulder Boulder, Colorado USA]
Stiepen, Arnaud mailto [Université de Liège > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP) >]
Chaffin, M. S. [Laboratory for Atmospheric and Space Physics University of Colorado at Boulder Boulder, Colorado USA]
Mcclintock, W. E. [Laboratory for Atmospheric and Space Physics University of Colorado at Boulder Boulder, Colorado USA]
Holsclaw, G. M. [Laboratory for Atmospheric and Space Physics University of Colorado at Boulder Boulder, Colorado USA]
Lefèvre, F. [LATMOS CNRS/UPMC/UVSQ Paris France]
Lo, D. Y. [Lunar and Planetary Laboratory University of Arizona Tucson, Arizona USA]
Clarke, J. T. [Center for Space Physics Boston University Boston, Massachusetts USA]
Montmessin, F. [LATMOS CNRS/UPMC/UVSQ Paris France]
Bougher, S. W. [Department of Atmospheric, Oceanic and Space Sciences University of Michigan Ann Arbor, Michigan USA]
Jakosky, B. M. [Laboratory for Atmospheric and Space Physics University of Colorado at Boulder Boulder, Colorado USA]
2015
Geophysical Research Letters
Blackwell Publishing Ltd
Yes (verified by ORBi)
International
0094-8276
[en] Airglow ; Mars ; MAVEN ; Spectroscopy ; Thermosphere ; Ultraviolet ; Ionosphere ; Linear regression ; NASA ; Nitrogen ; Regression analysis ; Ultraviolet spectroscopy ; Upper atmosphere
[en] We identify molecular nitrogen (N2) emissions in the Martian upper atmosphere using the Imaging Ultraviolet Spectrograph (IUVS) on NASA's Mars Atmosphere and Volatile EvolutioN (MAVEN) mission. We report the first observations of the N2 Lyman-Birge-Hopfield (LBH) bands at Mars and confirm the tentative identification of the N2 Vegard-Kaplan (VK) bands. We retrieve N2 density profiles from the VK limb emissions and compare calculated limb radiances between 90 and 210km against both observations and predictions from a Mars general circulation model (GCM). Contrary to earlier analyses using other satellite data, we find that N2 abundances exceed GCM results by about a factor of 2 at 130km but are in agreement at 150km. The analysis and interpretation are enabled by a linear regression method used to extract components of UV spectra from IUVS limb observations. © 2015. American Geophysical Union. All Rights Reserved.
http://hdl.handle.net/2268/190828
10.1002/2015GL065319

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