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HD 55727


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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.

Photoelectric observations of lunar occultations. XII
Occultation observations of 414 events observed between 6 July 1979 and4 September 1980 with the 0.76-m telescope of McDonald Observatory arereported. Timings and data on double stars are given. Angular diameterinformation in six cases is included. The stars concerned with their runnumbers are: SAO 161754 (5270); 94027 (Alpha Tau) (5319, 5381, 5454);159370 (Gamma Lib) (5325, 5571); 162413 (43 Sgr) (5332); 97472 (3 Cnc)(5414); and 93955 (Theta Tau) (5445).

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Osservazione e dati astrometrici

Costellazione:Gemelli
Ascensione retta:07h14m50.69s
Declinazione:+18°33'42.9"
Magnitudine apparente:7.728
Distanza:746.269 parsec
Moto proprio RA:-3.3
Moto proprio Dec:2.3
B-T magnitude:9.167
V-T magnitude:7.847

Cataloghi e designazioni:
Nomi esatti
HD 1989HD 55727
TYCHO-2 2000TYC 1350-555-1
USNO-A2.0USNO-A2 1050-04948133
HIPHIP 35041

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