Consequences of catalog improvement on studies of the earth-moon system

Details Consequences of catalog improvement on studies of the earth-moon system Consequences of catalog improvement on studies of the earth-moon system

Mar 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975spam.rept...95m&link_type=abstract

In ESRO Space Astrometry p 95-99 (SEE N75-30957 21-89)

Astronomy and Astrophysics

Astronomy

Astronomical Catalogs, Celestial Reference Systems, Earth-Moon System, Astrometry, Lunar Occultation, Lunar Rotation

Scientific paper

The progress to be expected from an improvement of stellar reference system is evaluated with regard to the determination of different parameters of the earth moon system. If the proposed space astrometry experiment can be repeated at intervals of a few years, it will be possible to investigate the residual rotation of the terrestrial reference system at near 0.02 arc sec, presently known with a precession of 0.15 arc sec. The best modern observations of occultations are obtained with a precision of 0.37 arc sec; the utilization of an improved catalog should allow the uncertainty to be reduced by 0.19 arc sec.

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