bn:01090693n
Noun Named Entity
Categories: Astrometry, Celestial coordinate system, Frames of reference
EN
International Celestial Reference System  International Celestial Reference System and its realizations  Gaia celestial reference frame  ICRS  International Celestial Reference Frame
EN
The International Celestial Reference System is the current standard celestial reference system adopted by the International Astronomical Union. Wikipedia
Definitions
Relations
Sources
EN
The International Celestial Reference System is the current standard celestial reference system adopted by the International Astronomical Union. Wikipedia
The IAU standard celestial reference system Wikipedia Disambiguation
Celestial reference system using reference celestial sources observed at radio wavelengths Wikidata