Omicron Orionis
Omicron Orionis refers to two distinct star systems in the constellation Orion:
- ο1 Orionis (4 Orionis), an M3S semiregular variable star
- ο2 Orionis (9 Orionis), a K2 giant star
All of them were member of asterism 參旗 (Sān Qí), Banner of Three Stars, Net mansion.[1]
See also
o Orionis (22 Orionis)
References
- ^ (in Chinese) AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 (Astronomy Education News) 2006 年 7 月 13 日 (2006-07-13) Archived 2011-07-16 at the Wayback Machine