The Neutral Gas and Ion Mass Spectrometer on the Mars Atmosphere and Volatile Evolution Mission

Масс-спектрометр нейтрального газа и ионов на борту миссии по исследованию атмосферы Марса и летучих веществ
P. R. Mahaffy, M. Benna, Todd King, Daniel Harpold, Robert Arvey, Michael Barciniak, Mirl Bendt, Daniel Carrigan, Therese Errigo, Vincent Holmes, Christopher S. Johnson, James Kellogg, Patrick Kimvilakani, Matthew Lefavor, Jerome Hengemihle, Ferzan Jaeger, Eric Lyness, John Maurer, Anthony Melak, Felix Noreiga, Marvin Noriega, Kiran Patel, Benito Prats, E. Raaen, Florence Tan, Edwin Weidner, Cynthia Gundersen, Steven Battel, Bruce Block, Ken Arnett, Ryan Miller, Curt S. Cooper, Charles Edmonson, Jackson Nolan
2014-09-10
SCID:  54.1/uwe9qc8z Discuss with AI
MAVEN missionMars upper atmosphereNeutral Gas and Ion Mass Spectrometeratmospheric escape ratesquadrupole analyzer
Abstract (AI)
The Neutral Gas and Ion Mass Spectrometer (NGIMS) of the Mars Atmosphere and Volatile Evolution Mission (MAVEN) is designed to measure the composition, structure, and variability of the upper atmosphere of Mars. The NGIMS complements two other instrument packages on the MAVEN spacecraft designed to characterize the neutral upper atmosphere and ionosphere of Mars and the solar wind input to this region of the atmosphere. The combined measurement set is designed to quantify atmosphere escape rates and provide input to models of the evolution of the martian atmosphere. The NGIMS is designed to measure both surface reactive and inert neutral species and ambient ions along the spacecraft track over the 125–500 km altitude region utilizing a dual ion source and a quadrupole analyzer.
Key Findings
1
Combined MAVEN measurements are intended to quantify atmospheric escape rates and inform models of martian atmospheric evolution.
2
NGIMS complements other MAVEN instrument packages characterizing the neutral atmosphere, ionosphere, and solar-wind inputs.
3
NGIMS measures both reactive and inert neutral species, as well as ambient ions, along the spacecraft track.
4
The MAVEN Neutral Gas and Ion Mass Spectrometer is designed to measure the composition, structure, and variability of Mars’s upper atmosphere.
5
The instrument covers the 125–500 km altitude range using a dual ion source and quadrupole mass analyzer.
Research Object

The upper atmosphere and ionosphere of Mars, including neutral species and ambient ions

Research Subject

The composition, structure, variability, and atmospheric escape rates of the Martian upper atmosphere

Publication Details
Publication Date
2014-09-10
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Authors
P. R. Mahaffy
M. Benna
Todd King
Daniel Harpold
Robert Arvey
Michael Barciniak
Mirl Bendt
Daniel Carrigan
Therese Errigo
Vincent Holmes
Christopher S. Johnson
James Kellogg
Patrick Kimvilakani
Matthew Lefavor
Jerome Hengemihle
Ferzan Jaeger
Eric Lyness
John Maurer
Anthony Melak
Felix Noreiga
Marvin Noriega
Kiran Patel
Benito Prats
E. Raaen
Florence Tan
Edwin Weidner
Cynthia Gundersen
Steven Battel
Bruce Block
Ken Arnett
Ryan Miller
Curt S. Cooper
Charles Edmonson
Jackson Nolan
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