Psi Aquarii Explained

The Bayer designation ψ Aquarii (psi Aquarii, ψ Aqr) is shared by three stars/star systems in the constellation Aquarius:

• ψ¹ Aquarii (91 Aquarii), a multiple star system with an exoplanet orbiting the giant primary
• ψ² Aquarii (93 Aquarii), a solitary Be star
• ψ³ Aquarii (95 Aquarii), a binary star system

All of them were members of the asterism 羽林軍 (Yǔ Lín Jūn), Palace Guard, in the 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