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physical object > naked eye object > naked eye star > Eta Piscium
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Eta Piscium comparison table
Subject has right ascension has spectral type has declination is part of has surface temperature is an instance of has V magnitude has color has been observ has B-V magnitude is usually part of is a kind of has apparent magnitude has synonym has definition has luminosity class
G star cooler than G2  5000 to 6000 K  yellowish   late star  Yellowish star in which the H and K lines of Ca II have become dominant and in which a tremendous profusion of spectral lines of both neutral and ionized metals, particularly iron, begins to show. The Balmer lines of hydrogen are still recognizable. Examples are the Sun and Capella. 
giant    greater than 1000 Kelvin      star  High-luminosity star that lies above the main sequence on the Hertzsprung-Russell diagram.III
naked eye star   Milky Waygreater than 1000 Kelvin   for many centuries asterismnaked eye objectbrighter than 5 A star visible without visual aids 
Eta Piscium1 31 28.9G7IIIa+15 20 45Milky Way5000 to 6000 Knaked eye star3.62yellowishfor many centuries0.97asterism brighter than 5HR 437 III

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