Observations of the Martian ionosphere by the Neutral Gas and Ion Mass Spectrometer During the First Year of the MAVEN Mission

Mehdi Benna1, Paul R Mahaffy2, Joseph M Grebowsky2, Jane Lee Fox3, Roger V Yelle4 and Bruce Martin Jakosky5, (1)University of Maryland Baltimore County, Baltimore, United States, (2)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (3)Wright State University, Dayton, OH, United States, (4)University of Arizona, Lunar and Planetary Laboratory, Tucson, AZ, United States, (5)Laboratory for Atmospheric and Space Physics, University of Colorado Boulder, Boulder, United States