Alpha² Capricorni
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| Observation data Epoch J2000.0 Equinox J2000.0 |
|
|---|---|
| Constellation | Capricornus |
| Right ascension | 20h18m03.3s |
| Declination | −12°32′41″ |
| Apparent magnitude (V) | +3.58 |
| Distance | 109 ± 3 ly (33 ± 1 pc) |
| Spectral type | G8IIIb |
| Other designations | |
- For other star systems with this Bayer designation, see Alpha Capricorni.
Alpha² Capricorni (α² Cap, α² Capricorni) is a star in the constellation Capricornus. It also has the traditional star name Secunda Giedi or Algiedi Secunda, and shares the name Algedi (from الجدي - al-jadii, meaning the goat) with α¹ Capricorni.
In Chinese, 牛宿 (Niú Su), meaning Ox (asterism), refers to an asterism consisting of α² Capricorni, β Capricorni, ξ2 Capricorni, π Capricorni, ο Capricorni and ρ Capricorni.[1] Consequently, α² Capricorni itself is known as 牛宿二 (Niú Su èr, English: the Second Star of Ox.)[2]
α² Capricorni is a yellow G-type giant with an apparent magnitude of +3.58. It is approximately 109 light years from Earth.
[edit] References
- ^ (Chinese) 中國星座神話, written by 陳久金. Published by 台灣書房出版有限公司, 2005, ISBN 978-986-7332-25-7.
- ^ (Chinese) 香港太空館 - 研究資源 - 亮星中英對照表, Hong Kong Space Museum. Accessed on line November 23, 2010.
Kaler, Jim (2005). "Algedi". Retrieved July 27, 2005.
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