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3 Andromedae (3 And) is a star in the constellation Andromeda. [1]

4 relations: Andromeda (constellation), Apparent magnitude, Constellation, Star.

Andromeda is one of the 48 constellations listed by the 2nd-century Greco-Roman astronomer Ptolemy and remains one of the 88 modern constellations.

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The apparent magnitude (m) of a celestial object is a measure of its brightness as seen by an observer on Earth, adjusted to the value it would have in the absence of the atmosphere.

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In modern astronomy, a constellation is a specific area of the celestial sphere as defined by the International Astronomical Union (IAU).

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A star is a luminous sphere of plasma held together by its own gravity.

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3 And.


[1] https://en.wikipedia.org/wiki/3_Andromedae

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