Magnitude 5.385 Apparent magnitude (V) 5.385 | Constellation Delphinus | |
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Eta Delphini (η Del, η Delphini) is a star in the constellation Delphinus. It has an apparent magnitude of about 5.4, meaning that it is just barely visible to the naked eye. Based upon parallax measurements made by the Hipparcos spacecraft, this star is around 173 light years away from the Sun.
Eta Delphini's spectral type is A3IVs, meaning it is an A-type subgiant with narrow absorption lines. SIMBAD lists this star as a variable star.
References
Eta Delphini Wikipedia(Text) CC BY-SA