Английская Википедия:47 Tauri
Шаблон:Short description Шаблон:Starbox begin Шаблон:Starbox observe Шаблон:Starbox character Шаблон:Starbox astrometry Шаблон:Starbox orbit Шаблон:Starbox detail Шаблон:Starbox catalog Шаблон:Starbox reference Шаблон:Starbox end 47 Tauri (abbreviated to 47 Tau) is a binary star in the zodiac constellation of Taurus. Parallax measurements made by the Hipparcos spacecraft put it at a distance of about 330 light-years (102 parsecs) from Earth. The system has a combined apparent magnitude of about 4.89,[1] meaning it can be faintly seen with the naked eye, according to the Bortle scale.
47 Tauri is a visual binary, meaning that the two components can be resolved, and the orbit is derived from the positions of the two stars. The primary component is a G-type giant. Its radius is about 13 times that of the Sun.[2] The companion is likely a white-colored A-type main-sequence star that is fainter. The two stars are separated about 1.3 arcseconds away,[1] and because of their large separation, the two stars take some 479 years to complete an orbit.[3]
References
- Английская Википедия
- G-type giants
- A-type main-sequence stars
- Binary stars
- Taurus (constellation)
- Flamsteed objects
- Durchmusterung objects
- Henry Draper Catalogue objects
- Hipparcos objects
- Bright Star Catalogue objects
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