Phi Orionis

The Bayer designation Phi Orionis (φ Ori, φ Orionis) is shared by two star systems in the constellation Orion.

Phi1 Orionis Phi2 Orionis

The two stars are separated by approximately 0.71° in the sky.

Etymology

Both of φ Ori and λ Ori were Al Haḳʽah, "a White Spot".

The similar composition were found in Chinese astronomy, known as (), meaning Turtle Beak (asterism), 中國星座神話, written by 陳久金. Published by 台灣書房出版有限公司, 2005, . Consequently, both of φ Ori themselves is known as ( .) (for φ1Ori) and ( .) (for φ2Ori) AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 5 月 24 日

References