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    Nightglow in the Upper Atmosphere of Mars and Implications for Atmospheric Transport

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    Bertaux(2005b).pdf (359.0Kb)
    Authors
    Bertaux, J.-L.
    Leblanc, F.
    Perrier, S.
    Quemerais, E.
    Korablev, O.
    Dimarellis, E.
    Reberac, A.
    Forget, F.
    Simon, P.C.
    Stern, S.A.
    Sandel, B.
    the SPICAM team
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    Discipline
    Physical sciences
    Subject
    Martian surface analysis
    Nitric acid
    Photodissociation
    Spectroscopic analysis
    Ultraviolet spectrometers
    Upper atmosphere
    Martian atmosphere
    Nightglow
    UV spectrum
    Light emission
    nitric oxide
    Mars
    article
    astronomy
    atmospheric transport
    dissociation
    freezing
    light
    priority journal
    spectroscopy
    ultraviolet radiation
    winter
    Atmosphere
    Carbon Dioxide
    Extraterrestrial Environment
    Hydrogen
    Mars
    Nitric Oxide
    Nitrogen
    Oxygen
    Seasons
    Spacecraft
    Spectrophotometry, Ultraviolet
    Temperature
    Ultraviolet Rays
    Audience
    Scientific
    Date
    2005
    Metadata
    Show full item record
    Description
    We detected light emissions in the nightside martian atmosphere with the SPICAM (spectroscopy for the investigation of the characteristics of the atmosphere of Mars) ultraviolet (UV) spectrometer on board the Mars Express. The UV spectrum of this nightglow is composed of hydrogen Lyman α emission (121.6 nanometers) and the γ and δ bands of nitric oxide (NO) (190 to 270 nanometers) produced when N and O atoms combine to produce the NO molecule. N and O atoms are produced by extreme UV photodissociation of O 2, CO2, and N2 in the dayside upper atmosphere and transported to the night side. The NO emission is brightest in the winter south polar night because of continuous downward transport of air in this region at night during winter and because of freezing at ground level.
    Citation
    Bertaux, J.-L.; Leblanc, F.; Perrier, S.; Quemerais, E.; Korablev, O.; Dimarellis, E.; Reberac, A.; Forget, F.; Simon, P.C.; Stern, S.A.; Sandel, B.; the SPICAM team (2005). Nightglow in the Upper Atmosphere of Mars and Implications for Atmospheric Transport. , Science, Vol. 307, Issue 5709, 566-569, DOI: 10.1126/science.1106957.
    Identifiers
    uri: https://orfeo.belnet.be/handle/internal/4641
    doi: http://dx.doi.org/10.1126/science.1106957
    scopus: 2-s2.0-19944432374
    Type
    Article
    Peer-Review
    Yes
    Language
    eng
    Links
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