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Three campaigns of solar observations with an astrolabe at Simeiz

Published online by Cambridge University Press:  25 May 2016

Yu. B. Kolesnik
Yu. B. Kolesnik*
Affiliation:
Institute for Astronomy of the Russian Academy of Sciences, 109017,48 Piatnitskaya St., Moscow, Russia

Extract

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Positional observations of the Sun have become, in recent years, one of the most important contribution of astrolabes to fundamental astrometry. After pioneer observations at CERGA and Sao Paulo, both in 1974, other astrolabes have been adapted for observations of the Sun in Paris (now at Malatya, Turkey), Santiago de Chile (Chollet & Noël 1993) and San-Fernando (Sánchez et al. 1993, 1995). First experimental campaign of solar observations with an astrolabe installed at Simeiz Observatory (Crimea, Ukraine) has been undertaken in 1986 (Kolesnik 1987). After some instrumental improvements, observations covering about 2.5–3 months were continued in 1987, 1990, 1991. The results are reported here.

Type
Part XI - Reference Frames. Stellar Astrometry
Information
Symposium - International Astronomical Union , Volume 172: Dynamics, Ephemerides and Astrometry of the Solar System , 1996 , pp. 505 - 506
Copyright
Copyright © Kluwer 1996 

References

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Kolesnik, Yu.B., 1995, A & A 294, 876 Google Scholar
Sánchez, M., Moreno, F., Parra, F., Soler, M., 1993, A & A 280, 324.Google Scholar
Sánchez, M., Parra, F., Soler, M., Soto, M, 1995, A & AS 110, 351 Google Scholar