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7 Cephei

7 Cephei (7 Cep) is a blue main-sequence star located approximately 802 light years away, in the constellation Cepheus. [1]

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

Apparent magnitude

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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Cepheus (constellation)

Cepheus is a constellation in the northern sky.

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Constellation

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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Star

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

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References

[1] https://en.wikipedia.org/wiki/7_Cephei

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