18 relations: Algol variable, Bayer designation, Binary star, Bright Star Catalogue, Cassiopeia (constellation), Constellation, Double star, Epoch (astronomy), Flamsteed designation, Gould designation, Henry Draper Catalogue, Hipparcos, Johannes Hevelius, Monthly Notices of the Royal Astronomical Society, Nu Scorpii, Star system, Stellar classification, Variable star designation.
Algol variables or Algol-type binaries are a class of eclipsing binary stars that are related to the prototype member of this class, β Persei (Beta Persei, Algol) from an evolutionary point of view.
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A Bayer designation is a stellar designation in which a specific star is identified by a Greek letter, followed by the genitive form of its parent constellation's Latin name.
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A binary star is a star system consisting of two stars orbiting around their common center of mass.
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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.
Cassiopeia is a constellation in the northern sky, named after the vain queen Cassiopeia in Greek mythology, who boasted about her unrivalled beauty.
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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In observational astronomy, a double star 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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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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Flamsteed designations for stars are similar to Bayer designations, except that they use numbers instead of Greek and Roman letters.
Gould designations for stars are similar to Flamsteed designations in the way that they number stars within a constellation in increasing order of right ascension.
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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.
Hipparcos was a scientific satellite of the European Space Agency (ESA), launched in 1989 and operated until 1993.
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Johannes Hevelius Some sources refer to Hevelius as Polish.
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Monthly Notices of the Royal Astronomical Society (MNRAS) is a peer-reviewed scientific journal covering research in astronomy and astrophysics.
Nu Scorpii or Jabbah (ν Sco, 14 Scorpii) is a star system in the constellation Scorpius.
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A star system or stellar system is a small number of stars that orbit each other, bound by gravitational attraction.
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In astronomy, stellar classification is the classification of stars based on their spectral characteristics.
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.