Upsilon Centauri Explained

The Bayer designation Upsilon Centauri (υ Cen / υ Centauri) is shared by two star systems, in the constellation Centaurus:

• Upsilon¹ Centauri
• Upsilon² Centauri

They are separated by 0.96° on the sky.

All of them were member of asterism 柱 (Zhǔ), Pillars, Horn mansion.^[1]

See also:

• Y Centauri, a variable star called by the Latin letter Y

Notes and References

1. AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 6 月 27 日