Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26as...77..131l&link_type=abstract
Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 77, no. 1, Jan. 1989, p. 131-135. In French.
Astronomy and Astrophysics
Astrophysics
1
Astrolabes, Nutation, Solar Position, Earth Rotation, Sidereal Time, Zenith
Scientific paper
The results of the 1986 campaigns of solar position observations are reported. Observations were made at nine zenith distances. For all the measurements obtained in 1986 (totalling 230 complete sun crossings), the following mean value for right ascension was obtained: 0.015 + or - 0.004. Reductions were made in the new 1984 IAU constants system and the VSOP 82 sun theory.
Journet A.
Laclare Francis
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