Phi Ceti
The Bayer designation Phi Ceti (φ Cet / φ Ceti) is shared by four stars, in the constellation Cetus:
- φ1 Ceti (HR 194), a red clump giant
- φ2 Ceti (HR 235), an F7 main sequence star
- φ3 Ceti (HR 267), a red giant
- φ4 Ceti (HR 279), a G8 giant
All of them were the Arabs' Al Nithām.[1] According to the catalogue of stars in the Technical Memorandum 33-507 - A Reduced Star Catalog Containing 537 Named Stars, Al Nitham were the title for four stars :φ1 Ceti as Al Nitham I, φ2 Ceti as Al Nitham II, φ3 Ceti as Al Nitham III and φ4 Ceti as Al Nitham IV. [2]
φ1 Ceti and φ3 Ceti were member of asterism 天溷 (Tiān Hùn), Celestial Pigsty, Legs mansion.[3]
References
- Allen, R. H. (1963), Star Names: Their Lore and Meaning (Reprint ed.), New York: Dover Publications Inc., p. 61, ISBN 0-486-21079-0, retrieved 2010-12-12.
- Rhoads, Jack W. (November 15, 1971), Technical Memorandum 33-507-A Reduced Star Catalog Containing 537 Named Stars (PDF), Jet Propulsion Laboratory, California Institute of Technology.
- (in Chinese) AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 7 月 9 日
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