A map of D/H on Mars using high-resolution spectroscopy with EXES aboard SOFIA

Abstract : We have obtained a map of D/H on Mars on April 8, 2014, when the planet was close to opposition (15.3” in diameter) and close to northern summer solstice (Ls = 113°). Data were recorded with the EXES (Echelon Cross Echelle Spectrograph) imaging spectrometer aboard the Stratospheric Observatory for Infrared Astronomy (SOFIA). A preliminary reduction indicates an increase of the D/H ratio from south to north, with a disk-integrated value of about 6.5 times the terrestrial value.
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https://hal-insu.archives-ouvertes.fr/insu-01214342
Contributor : Catherine Cardon <>
Submitted on : Monday, October 12, 2015 - 10:19:12 AM
Last modification on : Wednesday, August 7, 2019 - 2:34:15 PM

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  • HAL Id : insu-01214342, version 1

Citation

Thérèse Encrenaz, M. Richter, C. Dewitt, T. Greathouse, T. Fouchet, et al.. A map of D/H on Mars using high-resolution spectroscopy with EXES aboard SOFIA. European Planetary Science Congress 2015, Sep 2015, Nantes, France. pp.EPSC2015-110. ⟨insu-01214342⟩

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