Tags: Star.
Mu Aquarii (μ Aqr μ Aquarii) is the Bayer designation for a binary star in the equatorial constellation of Aquarius. It is visible to the naked eye with an apparent magnitude of 4.7. Based upon parallax measurements the distance to this system is about 157 light-years (48 parsecs). Mu Aquarii is a spectroscopic binary system with an orbital period of 1566 days and an eccentricity of 0.23.
