Analysis of the occultation of Epsilon Geminorum by Mars

Details Analysis of the occultation of Epsilon Geminorum by Mars Analysis of the occultation of Epsilon Geminorum by Mars

Jul 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977aj.....82..506w&link_type=abstract

Astronomical Journal, vol. 82, July 1977, p. 506-510.

Astronomy and Astrophysics

Astronomy

5

Atmospheric Temperature, Electrophotometry, Light Curve, Mars Atmosphere, Stellar Occultation, Temperature Profiles, Astronomical Photometry, Data Systems, Supergiant Stars

Scientific paper

High-time-resolution photoelectric measurements of the occultation of Epsilon Gem by Mars were obtained with the 36-in. telescope at Goddard Space Flight Center. Temperature profiles as a function of number density have been determined by inverting the immersion and emersion light curves on the assumption of a pure CO2 atmosphere. For number densities between 10 to the 13th and 10 to the 15th power per cu cm, the temperature varies in a wavelike fashion about a mean value near 150 K. These temperature profiles agree well with those derived from airborne observations by Elliot et al. (1977), indicating that the atmospheric features producing the excursions in the temperature profiles extend for at least 100 km along the Martian limb.

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