Английская Википедия:9 Vulpeculae
Шаблон:Short description Шаблон:Starbox begin Шаблон:Starbox image Шаблон:Starbox observe Шаблон:Starbox character Шаблон:Starbox astrometry Шаблон:Starbox detail Шаблон:Starbox catalog Шаблон:Starbox reference Шаблон:Starbox end
9 Vulpeculae is a star in the northern constellation of Vulpecula, located about 560 light years away based on parallax. It is visible to the naked eye as a faint, blue-white hued star with a baseline apparent visual magnitude of 5.01. The star is moving further from the Earth with a heliocentric radial velocity of +5 km/s.
This a B-type star with a stellar classification of B8 IIIn,[1] where the 'n' notation indicates "nebulous" lines due to rapid rotation. It has a high rate of spin with a projected rotational velocity of 185 km/s.[2] The star is radiating 216 times the Sun's luminosity from its photosphere at an effective temperature of Шаблон:Val. This is a suspected variable star of unknown type, ranging in magnitude from 4.99 down to 5.08.[3]
9 Vulpeculae has two reported companions: component B, with a separation of 9.3" and magnitude 13.4, and C, with a separation of 108" and a magnitude of 12.5".[4][1] Both are unrelated background objects.[5][6]
References
- ↑ 1,0 1,1 Шаблон:Cite journal Vizier catalog entry
- ↑ Ошибка цитирования Неверный тег
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; для сносокAbt2002
не указан текст - ↑ Шаблон:Cite journal
- ↑ Шаблон:Cite journal Vizier catalog entry
- ↑ Шаблон:Cite Gaia DR3
- ↑ Шаблон:Cite Gaia DR3
- Английская Википедия
- B-type giants
- Suspected variables
- Vulpecula
- Durchmusterung objects
- Flamsteed objects
- Henry Draper Catalogue objects
- Hipparcos objects
- Bright Star Catalogue objects
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