Английская Википедия:16 Aurigae
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
16 Aurigae is a triple star[1] system located 232 light years away from the Sun in the northern constellation of Auriga. It is visible to the naked eye as a faint, orange-hued star with an apparent visual magnitude of 4.547,[2] and is located about 2/3 of the way from Capella toward Beta Tauri. It also lies in the midst of the Melotte 31 cluster, but is merely a line-of-sight interloper.[3] The system has a relatively high proper motion, advancing across the celestial sphere at the rate of 0.166 arc seconds per annum,[4] and is moving closer to the Earth with a heliocentric radial velocity of −28 km/s.[5]
The primary component is a single-lined spectroscopic binary with an orbital period of Шаблон:Convert and an eccentricity of 0.1189.[3] The visible member is an aging K-type giant star with a stellar classification of Шаблон:Nowrap;[6] sometimes just given as K3 III. The notation of the former class indicates weak lines of CN in the spectrum.[3] This star is an estimated five[5] billion years old with 1.30[5] times the mass of the Sun. As a consequence of exhausting the hydrogen at its core, it has expanded to 18.8[7] times the Sun's radius. The star is radiating 112[7] times the luminosity of the Sun from its enlarged photosphere at an effective temperature of 4,264 K.[5]
A third component is an magnitude 10.6 star at an angular separation of Шаблон:Val.[1] It shows a common proper motion with the primary and thus is a likely third member of the system.[3]
References
External links
- ↑ 1,0 1,1 Ошибка цитирования Неверный тег
<ref>; для сносокEggleton2008не указан текст - ↑ Ошибка цитирования Неверный тег
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<ref>; для сносокGriffin2008не указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокLepine2005не указан текст - ↑ 5,0 5,1 5,2 5,3 Ошибка цитирования Неверный тег
<ref>; для сносокluck2015не указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокKeenan1989не указан текст - ↑ 7,0 7,1 Ошибка цитирования Неверный тег
<ref>; для сносокMassarotti2008не указан текст
- Английская Википедия
- K-type giants
- Spectroscopic binaries
- Triple star systems
- Auriga (constellation)
- Durchmusterung objects
- Flamsteed objects
- Henry Draper Catalogue objects
- Hipparcos objects
- Bright Star Catalogue objects
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- Википедия
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