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Illinois occultation summary. II - 1979
Lunar occultation records are presented for the third year of acontinuing program. Included are 17 observations of stars brighter thanseventh magnitude, 13 reappearances, four angular diameter measurements,and seven observations of stars that are either binary or may be double.The observations were made with Stromgren y filter, the u or b filter,or the FI filter described in the first paper of this series (Radick andLien, 1980). Five observations, including four of Aldebaran, were madewith two filters centered on or near H-alpha.
| Photoelectric observations of lunar occultations. XI
Occultation observations of 466 events are presented. These includediameter measures of Aldebaran under very bad conditions and a gooddiameter measure of 82 Vir. The list includes 91 reappearances andobservations of 34 double or multiple stars, both new and previouslyknown. The inconsistencies of the observations of Kui 88 are discussed.Further observations are most desirable.
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Observation and Astrometry data
| Constellation: | Zwillinge |
| Right ascension: | 06h43m08.97s |
| Declination: | +17°57'47.5" |
| Apparent magnitude: | 7.923 |
| Distance: | 250 parsecs |
| Proper motion RA: | 0 |
| Proper motion Dec: | -19.8 |
| B-T magnitude: | 8.192 |
| V-T magnitude: | 7.946 |
Catalogs and designations:
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