Tau Aquarii Explained

The Bayer designation Tau Aquarii (τ Aqr / τ Aquarii) is shared by two star systems, in the constellation Aquarius:

• τ¹ Aquarii
• τ² Aquarii

They are separated by 0.65° on the sky.

All of them were member of asterism 羽林軍 (Yǔ Lín Jūn), Palace Guard, Encampment mansion.^[1]

Notes and References

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