Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975icar...26..273d&link_type=abstract
Icarus, vol. 26, Nov. 1975, p. 273-312.
Astronomy and Astrophysics
Astronomy
29
Mars Surface, Radar Astronomy, Surface Properties, Topography, Circular Polarization, Mariner 9 Space Probe, Polarization Characteristics, Polarized Electromagnetic Radiation, Signal Analysis
Scientific paper
The Goldstone radar system was used at a wavelength of 12.6 cm to probe the Martian surface during the 1973 opposition. Measurements of range and reflected power were made at least weekly between July 12 and November 24. Surface cells isolated by the radar system were 8 km E-W by 110 km N-S. Altitudes were calculated from signal time delays measured relative to a triaxial ellipsoid and were combined with altitudes measured during the 1971 opposition. Contours of constant altitude were calculated at 200 m intervals between latitudes -14 and -22 deg. These contours are presented in conjunction with Mars charts derived from Mariner 9 television pictures. Reflected power was measured at angles of incidence between -5 and +5 deg. These measurements were combined with those obtained during the 1971 opposition.
Downs George S.
Green Richard
Reichley P. E.
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