Pi Aquarii [SEP] constellation
Pi Aquarii
Pi Aquarii, Latinized from π Aquarii, is the Bayer designation for a binary star in the equatorial constellation of Aquarius. This system has an apparent visual magnitude of a mean apparent magnitude of +4.57. Based upon parallax measurements, it is located at a distance of roughly from Earth.
This is a binary star system with an orbital period of 84.1 days. The primary component is a B1 giant or subgiant star. This is a large star with nearly eleven times the mass and over six times the radius
and its brightness varies from magnitude +4.45 to +4.71; a range of 0.28. The dominant variability period, , is nearly the same as the orbital period. Pi Aquarii has a reasonable chance of becoming a supernova some day.
In culture.
Pi Aquarii was called "Seat" by Grotius in the 17th century, but the name has rarely been used since.
In Chinese, (), meaning "Tomb", refers to an asterism consisting of π Aquarii, γ Aquarii, ζ Aquarii, η Aquarii