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Observational astronomy > Astronomical techniques > Astrometry > Astronomical coordinate systems

Preferred term

Astronomical coordinate systems  

Definition

  • Values in a reference system used to relate the position of a body on the celestial sphere. Four main coordinate systems are utilized in astronomy: the equatorial, horizontal, ecliptic, and galactic coordinates systems. (en)

Broader concept

Entry terms

  • Celestial coordinate systems (en)
  • Celestial reference system (en)

Editorial note

URI

http://astrothesaurus.org/uat/82

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