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Gliese 208

Index Gliese 208

Gliese 208 (Gj 208) is a red dwarf star with an apparent magnitude of 8.9. [1]

13 relations: Apparent magnitude, Durchmusterung, Gliese Catalogue of Nearby Stars, Henry Draper Catalogue, Hipparcos, Light-year, Orion (constellation), Parsec, Red dwarf, RS Canum Venaticorum variable, Smithsonian Astrophysical Observatory Star Catalog, Star, Variable star designation.

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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Durchmusterung

In astronomy, Durchmusterung or Bonner Durchmusterung (BD), is the comprehensive astrometric star catalogue of the whole sky, compiled by the Bonn Observatory (Germany) from 1859 to 1903.

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Gliese Catalogue of Nearby Stars

The Gliese Catalogue of Nearby Stars is a modern star catalogue of stars located within 25 parsecs (81.54 ly) of the Earth.

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Henry Draper Catalogue

The Henry Draper Catalogue (HD) is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension (HDE), published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the Henry Draper Extension Charts (HDEC), published from 1937 to 1949 in the form of charts, which gave classifications for 86,933 more stars.

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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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Light-year

The light-year is a unit of length used to express astronomical distances and measures about 9.5 trillion kilometres or 5.9 trillion miles.

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Orion (constellation)

Orion is a prominent constellation located on the celestial equator and visible throughout the world.

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Parsec

The parsec (symbol: pc) is a unit of length used to measure large distances to astronomical objects outside the Solar System.

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Red dwarf

A red dwarf (or M dwarf) is a small and relatively cool star on the main sequence, of M spectral type.

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RS Canum Venaticorum variable

RS Canum Venaticorum variables are a type of variable star.

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Smithsonian Astrophysical Observatory Star Catalog

The Smithsonian Astrophysical Observatory Star Catalog is an astrometric star catalogue.

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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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Variable star designation

Variable stars are designated using a variation on the Bayer designation format of an identifying label (as described below) combined with the Latin genitive of the name of the constellation in which the star lies.

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Redirects here:

V2689 Orionis.

References

[1] https://en.wikipedia.org/wiki/Gliese_208

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