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Catalog of Components of Double and Multiple Stars

Index Catalog of Components of Double and Multiple Stars

The Catalog of Components of Double and Multiple Stars, or CCDM, is an astrometric star catalogue of double and multiple stars. [1]

11 relations: Apparent magnitude, Astrometry, Astrophysics and Space Science, Double star, Hipparcos, Proper motion, Royal Observatory of Belgium, Star, Star catalogue, Star system, Stellar classification.

Apparent magnitude

The apparent magnitude of a celestial object is a number that is a measure of its brightness as seen by an observer on Earth.

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Astrometry

Astrometry is the branch of astronomy that involves precise measurements of the positions and movements of stars and other celestial bodies.

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Astrophysics and Space Science

Astrophysics and Space Science is a bimonthly peer-reviewed scientific journal covering astronomy, astrophysics, and space science and astrophysical aspects of astrobiology.

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Double star

In observational astronomy, a double star or visual double is a pair of stars that appear close to each other in the sky as seen from Earth when viewed through an optical telescope.

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Hipparcos

Hipparcos was a scientific satellite of the European Space Agency (ESA), launched in 1989 and operated until 1993.

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Proper motion

Proper motion is the astronomical measure of the observed changes in the apparent places of stars or other celestial objects in the sky, as seen from the center of mass of the Solar System, compared to the abstract background of the more distant stars.

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Royal Observatory of Belgium

The Royal Observatory of Belgium (Koninklijke Sterrenwacht van België; Observatoire Royal de Belgique), has been situated in Uccle (Ukkel in Dutch) since 1890.

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Star

A star is type of astronomical object consisting of a luminous spheroid of plasma held together by its own gravity.

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Star catalogue

A star catalogue (Commonwealth English) or star catalog (American English), is an astronomical catalogue that lists stars.

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Star system

A star system or stellar system is a small number of stars that orbit each other, bound by gravitational attraction.

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Stellar classification

In astronomy, stellar classification is the classification of stars based on their spectral characteristics.

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Redirects here:

CCDM (Catalog of Components of Double & Multiple stars), Catalog of Components of Double & Multiple stars, Catalog of components of double and multiple stars, Catalogue of Components of Double and Multiple Stars.

References

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

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