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SANTIAGO 91, a right ascension catalogue of 3387 stars (equinox J2000).
The positions in right ascension of 3387 stars belonging to the Santiago67 Catalogue, observed with the Repsold Meridian Circle at Cerro Calan,National Astronomical Observatory, during the period 1989 to 1994, aregiven. The average mean square error of a position, for the wholeCatalogue, is +/-0.009 s. The mean epoch of the catalogue is 1991.84.
| KPNO lunar occultation summary. II
The results from 65 lunar occultation observations between August 1984and July 1986 are discussed. The instrumentation and reductionprocedures used in the study are described. Parameters are given fornine different double/multiple stars and for two stars with measurableangular diameters. Three newly discovered double stars, SAO 77310, SAO79241, and the brighter component of SAO 77837, are examined. Inaddition, a fourth star, the brighter component of SAO 76862, isresolved for the first time.
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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Yay |
| Sað Açýklýk: | 19h08m08.10s |
| Yükselim: | -26°50'04.8" |
| Görünürdeki Parlaklýk: | 7.172 |
| Uzaklýk: | 138.504 parsek |
| özdevim Sað Açýklýk: | 2.4 |
| özdevim Yükselim: | -0.8 |
| B-T magnitude: | 8.406 |
| V-T magnitude: | 7.274 |
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