8 relations: Apparent magnitude, Bayer designation, Centre de données astronomiques de Strasbourg, Constellation, Giant star, Hydrogen, Serpens, Star.
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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Bayer designation
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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Centre de données astronomiques de Strasbourg
The Centre de Données astronomiques de Strasbourg (CDS; English translation: Strasbourg Astronomical Data Center) is a data hub which collects and distributes astronomical information.
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Constellation
A constellation is a group of stars that are considered to form imaginary outlines or meaningful patterns on the celestial sphere, typically representing animals, mythological people or gods, mythological creatures, or manufactured devices.
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Giant star
A giant star is a star with substantially larger radius and luminosity than a main-sequence (or dwarf) star of the same surface temperature.
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Hydrogen
Hydrogen is a chemical element with symbol H and atomic number 1.
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Serpens
Serpens ("the Serpent", Greek Ὄφις) is a constellation of the northern hemisphere.
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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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