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Detection of double stars with the use of Kyiv database of lunar occultations
On the basis of 40-year series of observations of occultations of starsby the Moon from the Kyiv database, we found 83 stars which are likelyto be double ones. Additional components close to basic stars arerevealed for four known wide pair.
| UBV photometry of stars whose positions are accurately known.
Photometric indices V, B-V, and U-B were measured for about 560 stars ofthe AGK3R and NPZT catalogs between BD declinations 11 deg and 23 deg,using the 40-cm Cassegrain telescope of the Kvistaberg Observatory fromApril 1986 to May 1987. The observation procedure and the reductiontechnique were the same as in the earlier papers of this series by Oja(1984, 1985, 1986, and 1987). The mean errors were calculated from theinternal consistency of the data. The accuracy was found to be the sameas for the earlier parts of the survey.
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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Yengec |
| Sað Açýklýk: | 08h05m21.85s |
| Yükselim: | +17°37'18.6" |
| Görünürdeki Parlaklýk: | 7.894 |
| Uzaklýk: | 467.29 parsek |
| özdevim Sað Açýklýk: | -4.7 |
| özdevim Yükselim: | -4.5 |
| B-T magnitude: | 10.056 |
| V-T magnitude: | 8.073 |
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