Photoelectric Observations of the Lunar Occultation of the Star SAO 79361 during a Total Lunar Eclipse |
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Authors: | E M Trunkovskii |
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Institution: | 1.Sternberg Astronomical Institute,Lomonosov Moscow State University,Moscow,Russia |
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Abstract: | The results of photoelectric observation of the occultation of the visual binary star SAO 79361 = ADS 6038 by the Moon during the total lunar eclipse of January 9, 1982 are presented. The upper limit of the angular diameter of the brighter component A is estimated to be dul ? 0.0011″ based on direct measurements, which is in agreement with indirect estimates. Accurate estimates for the magnitude difference between components A and B, their angular separation, p ? 3.2″, and the inclination of the Moon’s edge’s at the point of occultation to the mean lunar horizon, θ ? +25°, are obtained. The time of the geometrical occultation of the center of the stellar disk of component A is determined with an accuracy of 1 ms. The results obtained for this star are unique among observations worldwide. |
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