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The Bayer designation Phi Ceti (φ Cet / φ Ceti) is shared by four stars, in the constellation Cetus:

• φ Ceti (HR 194), a red clump giant
• φ Ceti (HR 235), an F7 main sequence star
• φ Ceti (HR 267), a red giant
• φ Ceti (HR 279), a G8 giant

All of them were the Arabs' Al Nithām. 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 :φ Ceti as Al Nitham I, φ Ceti as Al Nitham II, φ Ceti as Al Nitham III and φ Ceti as Al Nitham IV.

φ Ceti and φ Ceti were member of asterism 天溷 (Tiān Hùn), Celestial Pigsty, Legs mansion.

References

1. 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.
2. 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.
3. (in Chinese) AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 7 月 9 日

• Set index articles on astronomical objects
• Bayer objects
• Cetus