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Proper NameNone
Bayer DesignationEta Aquarii
Flamsteed Number62 Aquarii
HR (BSC)8597
Right Ascension22h 35m 21s
Declination-0° 7' 3"
Distance168 light years
51 parsecs
MagnitudeApparent: +4.0
Absolute: +0.3
Spectral ClassB9 Blue Subgiant/Dwarf
Optimum VisibilitySeptember
NotesOne of the three stars that make up the Water Jar formation in Aquarius, Eta Aquarii is a single blue dwarf with no companion stars, shining more than a hundred times more brightly than the Sun. It is notable for its high rate of rotation, turning on its axis in less than a single day.

A blue dwarf star in the northern parts of Aquarius, near its border with Pegasus. Eta Aquarii is notable for falling almost exactly on the Celestial Equator.


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