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Alpha Delphini

Alpha Delphini (α Del, α Delphini) is a multiple star in the constellation Delphinus. [1]

20 relations: Astronomer, Beta Delphini, Binary star, Bright Star Catalogue, Catalog of Components of Double and Multiple Stars, Chinese language, Constellation, Delphinus, Delta Delphini, Durchmusterung, Epoch (astronomy), Gamma Delphini, Girl (Chinese constellation), Henry Draper Catalogue, Hipparcos, International Celestial Reference System, Niccolò Cacciatore, Smithsonian Astrophysical Observatory Star Catalog, Star system, Zeta Delphini.

Astronomer

An astronomer is a scientist in the field of astronomy who studies stars, planets, moons, comets, and galaxies, as well as many other celestial objects.

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Beta Delphini

Beta Delphini (Beta Del, β Delphini, β Del) is a binary star in the constellation of Delphinus.

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Binary star

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

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Bright Star Catalogue

The Bright Star Catalogue, also known as the Yale Catalogue of Bright Stars or Yale Bright Star Catalogue, is a star catalogue that lists all stars of stellar magnitude 6.5 or brighter, which is roughly every star visible to the naked eye from Earth.

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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.

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Chinese language

Chinese (汉语 / 漢語; Hànyǔ or 中文; Zhōngwén) is a group of related but in many cases mutually unintelligible language varieties, forming a branch of the Sino-Tibetan language family.

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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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Delphinus

Delphinus is a constellation in the northern sky, close to the celestial equator.

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Delta Delphini

Delta Delphini is a giant star in the constellation Delphinus.

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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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Epoch (astronomy)

In astronomy, an epoch is a moment in time used as a reference point for some time-varying astronomical quantity, such as the celestial coordinates or elliptical orbital elements of a celestial body, because these are subject to perturbations and vary with time.

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Gamma Delphini

Gamma Delphini (γ Del, γ Delphini) is a binary star system approximately 101 light-years away in the constellation of Delphinus.

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Girl (Chinese constellation)

The Girl mansion (女宿, pinyin: Nǚ Xiù) is one of the Twenty-eight mansions of the Chinese constellations.

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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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International Celestial Reference System

The International Celestial Reference System (ICRS) is the current standard celestial reference system adopted by the International Astronomical Union (IAU).

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Niccolò Cacciatore

Niccolò Cacciatore (26 January 1770 – 28 January 1841) was an Italian astronomer.

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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 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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Zeta Delphini

Zeta Delphini (ζ Del) is a star in the constellation Delphinus.

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Redirects here:

9 Del, 9 Delphini, Alpha Del, Sualocin, Α Delphini.

References

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

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