Английская Википедия:Chi Lupi
Шаблон:Short description Шаблон:Starbox begin Шаблон:Starbox observe Шаблон:Starbox character Шаблон:Starbox astrometry Шаблон:Starbox detail Шаблон:Starbox catalog Шаблон:Starbox reference Шаблон:Starbox end Chi Lupi (Chi Lup, χ Lupi, χ Lup) is a spectroscopic binary star in the constellation of Lupus.[1] It has an apparent visual magnitude of approximately 3.957.[1] The primary star in the binary is a mercury-manganese star of spectral type B9.5V; the secondary is a metallic-lined star of type A2Vm.[2]
This system is a proper motion member of the Upper Scorpius sub-group in the Scorpius–Centaurus OB association, the nearest such co-moving association of massive stars to the Sun.[3] The Upper Scorpius subgroup contains thousands of stars with an average age of 11 million years old at mean distances of 145 parsecs (470 light years).[4]
References
Шаблон:Reflist Шаблон:Stars of Lupus
- Английская Википедия
- Lupus (constellation)
- B-type main-sequence stars
- A-type main-sequence stars
- Henry Draper Catalogue objects
- Bayer objects
- Flamsteed objects
- Hipparcos objects
- Spectroscopic binaries
- Upper Scorpius
- Bright Star Catalogue objects
- Durchmusterung objects
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