Magnitude 5.21 Apparent magnitude (V) 5.21 | ||
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Upsilon Aquarii (υ Aqr, υ Aquarii) is the Bayer designation for a binary star in the equatorial constellation of Aquarius. It is a faint naked eye star with an apparent visual magnitude of 5.21. Parallax measurements give a distance estimate of 74.0 light-years (22.7 parsecs) from Earth. This is a high proper-motion star.
Upsilon Aquarii is an F-type main sequence star with a stellar classification of F5 V. With an effective temperature of 6,597, it shines with the yellow-white hue of an F-type star. An orbiting companion star was detected in 2007 at the Gemini Observatory.
References
Upsilon Aquarii Wikipedia(Text) CC BY-SA