Venus gravity and topography: 60th degree and order model

Details Venus gravity and topography: 60th degree and order model Venus gravity and topography: 60th degree and order model

Nov 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993georl..20.2403k&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 20, no. 21, p. 2403-2406

Astronomy and Astrophysics

Astronomy

27

Astronomical Models, Gravitational Effects, Spherical Harmonics, Topography, Venus (Planet), Gravitational Fields, Least Squares Method, Magellan Project (Nasa), Mapping, Pioneer Venus 1 Spacecraft

Scientific paper

We have combined the most recent Pioneer Venus Orbiter (PVO) and Magellan (MGN) data with the earlier 1978-1982 PVO data set to obtain a new 60th degree and order spherical harmonic gravity model and a 120th degree and order spherical harmonic topography model. Free-air gravity maps are shown over regions where the most marked improvement has been obtained (Ishtar-Terra, Alpha, Bell and Artemis). Gravity versus topography relationships are presented as correlations per degree and axes orientation.

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