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Cepheus OB1

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Cepheus OB1 is an OB association around the cluster NGC 7380. [1]

11 relations: Binary star, Cepheus (constellation), List of largest stars, NGC 7380, RW Cephei, Stellar kinematics, U Lacertae, V354 Cephei, V509 Cassiopeiae, W Cephei, Yellow hypergiant.

Binary star

A binary star is a star system consisting of two stars orbiting around their common barycenter.

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Cepheus (constellation)

Cepheus is a constellation in the northern sky, which is named after Cepheus (a King in the Greek mythology).

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List of largest stars

Below is an ordered list of the largest stars currently known by radius.

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NGC 7380

NGC 7380 (also known as the Wizard Nebula) is an open cluster discovered by Caroline Herschel in 1787.

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RW Cephei

RW Cephei is an orange hypergiant star in the constellation Cepheus, at the edge of the Sharpless 132 HII region and close to the small open cluster Berkeley 94.

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Stellar kinematics

In astronomy, stellar kinematics is the observational study or measurement of the kinematics or motions of stars through space.

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U Lacertae

U Lacertae is a spectroscopic binary star in the constellation Lacerta.

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V354 Cephei

V354 Cephei is a red supergiant star located within the Milky Way.

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V509 Cassiopeiae

V509 Cassiopeiae (V509 Cas or HR 8752) is one of two yellow hypergiant stars found in the constellation Cassiopeia, which also contains Rho Cassiopeiae.

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W Cephei

W Cephei is a spectroscopic binary and variable star located in the constellation Cepheus.

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Yellow hypergiant

A yellow hypergiant is a massive star with an extended atmosphere, a spectral class from A to K, and an initial mass of about 20–60 solar masses but having lost as much as half that mass.

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Redirects here:

Cep OB1.

References

[1] https://en.wikipedia.org/wiki/Cepheus_OB1

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