Difference between revisions of "Rigil Kentaurus A"
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|other designations=Alpha Centauri A, α Cen A, α¹ Centauri, GJ 559 A, HR 5459, HD 128620, GCTP 3309.00, LHS 50, SAO 252838, HIP 71683 | |other designations=Alpha Centauri A, α Cen A, α¹ Centauri, GJ 559 A, HR 5459, HD 128620, GCTP 3309.00, LHS 50, SAO 252838, HIP 71683 | ||
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| + | ''Alpha Centauri A'' or Rigil Kentaurus ("Foot of the Centaur" in Arabic) is the fourth brightest star in the night sky as well as the brightest star in Constellation Centaurus. Like Sol, it is a yellow-orange main sequence dwarf star of spectral and luminosity type G2 V. | ||
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| + | '''(Boilerplate from [http://www.solstation.com/ SolStation.com])''' | ||
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| + | Together with [[Rigel_Kentaurus_B|Alpha Centauri B]] and [[Proxima Centauri]] Alpha Centauri A forms a loose trinary system<ref>There is some debate about wether or not [[Proxima Centauri]] is actually part of a trinary system with the others, see [http://www.solstation.com/stars/alp-cent3.htm SolStation.com] for more details.</ref>, and is one of the closest stars to Sol at a distance of about 4.40 light-years. Alpha Centauri A and B orbit a common point at an average distance of about 23.7 AUs. | ||
===Known Places Around Rigel Kentaurus A=== | ===Known Places Around Rigel Kentaurus A=== | ||
Revision as of 02:01, 16 January 2010
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| Rigel Kentaurus A | |
| Stellar characteristics | |
|---|---|
| Constellation | Centaurus |
| Right ascension (Epoch J2000) | 14h 39m 36.4951s |
| Declination (Epoch J2000) | -60° 50' 02.308" |
| Spectral type | G2V |
| Distance from Sol | 4.365 ± 0.007 ly |
| Other designations | Alpha Centauri A, α Cen A, α¹ Centauri, GJ 559 A, HR 5459, HD 128620, GCTP 3309.00, LHS 50, SAO 252838, HIP 71683 |
Alpha Centauri A or Rigil Kentaurus ("Foot of the Centaur" in Arabic) is the fourth brightest star in the night sky as well as the brightest star in Constellation Centaurus. Like Sol, it is a yellow-orange main sequence dwarf star of spectral and luminosity type G2 V.
(Boilerplate from SolStation.com)
Together with Alpha Centauri B and Proxima Centauri Alpha Centauri A forms a loose trinary system[1], and is one of the closest stars to Sol at a distance of about 4.40 light-years. Alpha Centauri A and B orbit a common point at an average distance of about 23.7 AUs.
Known Places Around Rigel Kentaurus A
- ↑ There is some debate about wether or not Proxima Centauri is actually part of a trinary system with the others, see SolStation.com for more details.
