A simplified lunar ephemeris for historical astronomy research.

Details A simplified lunar ephemeris for historical astronomy research. A simplified lunar ephemeris for historical astronomy research.

Jun 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996pshao..19..108z&link_type=abstract

Publ. Shaanxi Astron. Obs., Vol. 19, p. 108 - 116

Astronomy and Astrophysics

Astronomy

Moon: Ephemerides, Moon: History Of Astronomy, Ephemerides: History Of Astronomy

Scientific paper

The features of the lunar ephemeris used in historical astronomy research are analysed. The investigation on ancient observations does not require a very precise lunar ephemeris but a very stable one, i.e., the secular drifts should be as small as possible. The lunar ephemeris made by Chapront is recommended, for its stability is good over a long time span. On the basis of Chapront's semi-analytical lunar theory, a simplified lunar ephemeris is developed, which is easy to be used. The comparison of the simplified lunar ephemeris with the Chapront's for a period of over 35 centuries shows that the systematic error is less than 1.5″

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