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Observation of the occultation of star SAO 138868A by Asteroid (444) Gyptis
According to a supplementary forecast received from Dr. David W. Dunham,a photoelectric observation of a stellar occultation by Asteroid (444)Gyptis was made at our observatory on 1982 June 24. The star occultedwas SAO 138868A (visual magnitude 8.9 mag, spectral class K2).The instrument used was the 60-cm reflecting telescope of ourobservatory, equipped with a single-channel photoelectric photometer andthe photomultipler was EMI 19502B. A two-pen automatic recorder made itpossible to record the star and time signals simultaneously. Theaccuracy of the time signals is estimted at 0.1 s. The observation wasmade in yellow light. The observed times are:Time of immersion: 12h 36m 58.8s U.T.Time of emersion: 12h 37m 11.2s U.T.Duration of occultation: 12.4sThese are close to the predicted values. During the observing periodlasting some 25 minutes, there were no secondary occultations detected.In the occultation by the planet itself, both the immersion and theemersion were observed visually and the weather was fine at the time.
| Observation of the Occultation of Star SAO-138868A by Asteroid 444 Gyptis
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Observation and Astrometry data
| Constellation: | Virgo |
| Right ascension: | 12h35m56.09s |
| Declination: | -01°24'52.6" |
| Apparent magnitude: | 8.807 |
| Distance: | 303.951 parsecs |
| Proper motion RA: | 11.5 |
| Proper motion Dec: | -17.8 |
| B-T magnitude: | 10.323 |
| V-T magnitude: | 8.933 |
Catalogs and designations:
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INHABITED SKY
