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Early MAVEN Deep Dip campaign reveals thermosphere and ionosphere variability.
Bougher, S; Jakosky, B; Halekas, J; Grebowsky, J; Luhmann, J; Mahaffy, P; Connerney, J; Eparvier, F; Ergun, R; Larson, D; McFadden, J; Mitchell, D; Schneider, N; Zurek, R; Mazelle, C; Andersson, L; Andrews, D; Baird, D; Baker, D N; Bell, J M; Benna, M; Brain, D; Chaffin, M; Chamberlin, P; Chaufray, J-Y; Clarke, J; Collinson, G; Combi, M; Crary, F; Cravens, T; Crismani, M; Curry, S; Curtis, D; Deighan, J; Delory, G; Dewey, R; DiBraccio, G; Dong, C; Dong, Y; Dunn, P; Elrod, M; England, S; Eriksson, A; Espley, J; Evans, S; Fang, X; Fillingim, M; Fortier, K; Fowler, C M; Fox, J.
Afiliación
  • Bougher S; CLaSP Department, University of Michigan, Ann Arbor, MI, USA. bougher@umich.edu.
  • Jakosky B; Laboratory for Atmospheric and Space Physics, University. of Colorado, Boulder, CO, USA.
  • Halekas J; Department of Physics and Astronomy, University of Iowa, Iowa City, IA, USA.
  • Grebowsky J; NASA/Goddard Space Flight Center, Greenbelt, MD, USA.
  • Luhmann J; Space Sciences Laboratory, University of California at Berkeley, Berkeley, CA, USA.
  • Mahaffy P; NASA/Goddard Space Flight Center, Greenbelt, MD, USA.
  • Connerney J; NASA/Goddard Space Flight Center, Greenbelt, MD, USA.
  • Eparvier F; Laboratory for Atmospheric and Space Physics, University. of Colorado, Boulder, CO, USA.
  • Ergun R; Laboratory for Atmospheric and Space Physics, University. of Colorado, Boulder, CO, USA.
  • Larson D; Space Sciences Laboratory, University of California at Berkeley, Berkeley, CA, USA.
  • McFadden J; Space Sciences Laboratory, University of California at Berkeley, Berkeley, CA, USA.
  • Mitchell D; Space Sciences Laboratory, University of California at Berkeley, Berkeley, CA, USA.
  • Schneider N; Laboratory for Atmospheric and Space Physics, University. of Colorado, Boulder, CO, USA.
  • Zurek R; Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA.
  • Mazelle C; CNRS/Institut de Recherche en Astrophysique et Planétologie, Toulouse, France. University Paul Sabatier, Toulouse, France.
  • Andersson L; Laboratory for Atmospheric and Space Physics, University. of Colorado, Boulder, CO, USA.
  • Andrews D; Swedish Institute of Space Physics, Kiruna, Sweden.
  • Baird D; NASA/Johnson Space Center, Houston, TX, USA.
  • Baker DN; Laboratory for Atmospheric and Space Physics, University. of Colorado, Boulder, CO, USA.
  • Bell JM; National Institute of Aerospace, Hampton, VA, USA.
  • Benna M; NASA/Goddard Space Flight Center, Greenbelt, MD, USA.
  • Brain D; Laboratory for Atmospheric and Space Physics, University. of Colorado, Boulder, CO, USA.
  • Chaffin M; Laboratory for Atmospheric and Space Physics, University. of Colorado, Boulder, CO, USA.
  • Chamberlin P; NASA/Goddard Space Flight Center, Greenbelt, MD, USA.
  • Chaufray JY; Laboratoire Atmosphères, Milieux, Observations Spatiales /CNRS, Verrieres-le-Buisson, France.
  • Clarke J; Department of Astronomy, Boston University, Boston, MA, USA.
  • Collinson G; NASA/Goddard Space Flight Center, Greenbelt, MD, USA.
  • Combi M; CLaSP Department, University of Michigan, Ann Arbor, MI, USA.
  • Crary F; Laboratory for Atmospheric and Space Physics, University. of Colorado, Boulder, CO, USA.
  • Cravens T; Department of Physics and Astronomy, University of Kansas, Lawrence, KS, USA.
  • Crismani M; Laboratory for Atmospheric and Space Physics, University. of Colorado, Boulder, CO, USA.
  • Curry S; Space Sciences Laboratory, University of California at Berkeley, Berkeley, CA, USA.
  • Curtis D; Space Sciences Laboratory, University of California at Berkeley, Berkeley, CA, USA.
  • Deighan J; Laboratory for Atmospheric and Space Physics, University. of Colorado, Boulder, CO, USA.
  • Delory G; Space Sciences Laboratory, University of California at Berkeley, Berkeley, CA, USA.
  • Dewey R; Laboratory for Atmospheric and Space Physics, University. of Colorado, Boulder, CO, USA.
  • DiBraccio G; NASA/Goddard Space Flight Center, Greenbelt, MD, USA.
  • Dong C; CLaSP Department, University of Michigan, Ann Arbor, MI, USA.
  • Dong Y; Laboratory for Atmospheric and Space Physics, University. of Colorado, Boulder, CO, USA.
  • Dunn P; Space Sciences Laboratory, University of California at Berkeley, Berkeley, CA, USA.
  • Elrod M; NASA/Goddard Space Flight Center, Greenbelt, MD, USA.
  • England S; Space Sciences Laboratory, University of California at Berkeley, Berkeley, CA, USA.
  • Eriksson A; Swedish Institute of Space Physics, Kiruna, Sweden.
  • Espley J; NASA/Goddard Space Flight Center, Greenbelt, MD, USA.
  • Evans S; Computational Physics, Springfield, VA, USA.
  • Fang X; Laboratory for Atmospheric and Space Physics, University. of Colorado, Boulder, CO, USA.
  • Fillingim M; Space Sciences Laboratory, University of California at Berkeley, Berkeley, CA, USA.
  • Fortier K; Laboratory for Atmospheric and Space Physics, University. of Colorado, Boulder, CO, USA.
  • Fowler CM; Laboratory for Atmospheric and Space Physics, University. of Colorado, Boulder, CO, USA.
  • Fox J; Department of Physics, Wright State University, Fairborn, OH, USA.
Science ; 350(6261): aad0459, 2015 Nov 06.
Article en En | MEDLINE | ID: mdl-26542579
ABSTRACT
The Mars Atmosphere and Volatile Evolution (MAVEN) mission, during the second of its Deep Dip campaigns, made comprehensive measurements of martian thermosphere and ionosphere composition, structure, and variability at altitudes down to ~130 kilometers in the subsolar region. This altitude range contains the diffusively separated upper atmosphere just above the well-mixed atmosphere, the layer of peak extreme ultraviolet heating and primary reservoir for atmospheric escape. In situ measurements of the upper atmosphere reveal previously unmeasured populations of neutral and charged particles, the homopause altitude at approximately 130 kilometers, and an unexpected level of variability both on an orbit-to-orbit basis and within individual orbits. These observations help constrain volatile escape processes controlled by thermosphere and ionosphere structure and variability.
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Texto completo: 1 Bases de datos: MEDLINE Idioma: En Revista: Science Año: 2015 Tipo del documento: Article País de afiliación: Estados Unidos
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
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Texto completo: 1 Bases de datos: MEDLINE Idioma: En Revista: Science Año: 2015 Tipo del documento: Article País de afiliación: Estados Unidos