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- Barycentric_celestial_reference_system abstract "The Barycentric celestial reference system (BCRS) is a coordinate system used in astrometry to specify the location and motions of astronomical objects. It was created in 2000 by the International Astronomical Union (IAU) to be the global standard reference system for objects located outside the gravitational vicinity of Earth: planets, moons, and other solar system bodies, stars and other objects in the Milky Way galaxy, and extra-galactic objects.The Geocentric Celestial Reference System (GCRS), also created by the IAU in 2000, is a similar standard coordinate system used to specify the location and motions of near-earth objects, such as satellites.These systems make it easier for scientists and engineers to compile, share, compare, and convert accurate measurements worldwide, by establishing standards both of measure and of methodology, and providing a consistent framework of operations. The focus of the BCRS is on astronomy: exploration of the Solar System and the universe. The BCRS is the system currently used for expressing positional data in astronomical references, such as the Hipparcos star catalog. The focus of the GCRS is somewhat more on the navigation of earth satellites and the geophysical applications they support. The proper functioning of the Global Positioning System (GPS) is directly dependent upon the accuracy of satellite measurements as supported by the GCRS.".
- Barycentric_celestial_reference_system wikiPageExternalLink novas_info.php.
- Barycentric_celestial_reference_system wikiPageExternalLink www.iausofa.org.
- Barycentric_celestial_reference_system wikiPageID "42398299".
- Barycentric_celestial_reference_system wikiPageRevisionID "603050405".
- Barycentric_celestial_reference_system subject Category:Astrometry.
- Barycentric_celestial_reference_system subject Category:Celestial_coordinate_system.
- Barycentric_celestial_reference_system comment "The Barycentric celestial reference system (BCRS) is a coordinate system used in astrometry to specify the location and motions of astronomical objects.".
- Barycentric_celestial_reference_system label "Barycentric celestial reference system".
- Barycentric_celestial_reference_system sameAs m.0105mpyx.
- Barycentric_celestial_reference_system sameAs Q16838349.
- Barycentric_celestial_reference_system sameAs Q16838349.
- Barycentric_celestial_reference_system wasDerivedFrom Barycentric_celestial_reference_system?oldid=603050405.
- Barycentric_celestial_reference_system isPrimaryTopicOf Barycentric_celestial_reference_system.