Gamma Ceti
Gamma Ceti (γ Cet, γ Ceti) is a star in the constellation Cetus. It has the traditional name Kaffaljidhma. The title Kaffaljidhma was derived from Arabic الكف الجذماء Al Kaff al Jidhmah, "The cut-short hand"[1], the association of this star, along with α Cet (Menkar), δ Cet, λ Cet (Menkar), μ Cet, ξ1 Cet and ξ2 Cet.[2].
According to the catalogue of stars in the Technical Memorandum 33-507 - A Reduced Star Catalog Containing 537 Named Stars, Al Kaff al Jidhmah were the title for five stars :γ Cet as Kaffaljidhma, ξ1 Cet as Al Kaff al Jidhmah I, ξ2 Cet as Al Kaff al Jidhmah II, δ Cet as Al Kaff al Jidhmah III and μ Cet as Al Kaff al Jidhmah IV (exclude α Cet and λ Cet)[3]
In Chinese, 天囷 (Tiān Qūn), meaning Circular Celestial Granary, refers to an asterism consisting of γ Ceti, α Ceti, κ1 Ceti, λ Ceti, μ Ceti, ξ1 Ceti, ξ2 Ceti, ν Ceti, δ Ceti, 75 Ceti, 70 Ceti, 63 Ceti and 66 Ceti.[4] Consequently, γ Ceti itself is known as 天囷八 (Tiān Qūn bā, English: the Eighth Star of Circular Celestial Granary.)[5]
[edit] Structure
Gamma Ceti belongs to spectral class A2 and has apparent magnitude +2.7. It is approximately 82 light years from Earth.
Coordinates (equinox J2000):
- Right ascension: 2h43m18s
- Declination: +3°14'6"
[edit] References
- ^ http://dictionary.sensagent.com/Arap%C3%A7a%20y%C4%B1ld%C4%B1z%20isimler%20listesi/tr-tr/
- ^ Star Name - R.H. Allen p.160
- ^ Jack W. Rhoads - Technical Memorandum 33-507-A Reduced Star Catalog Containing 537 Named Stars, Jet Propulsion Laboratory, California Institue of Technology; November 15, 1971
- ^ (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.
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