The International Celestial Reference System

Highlights

• ›The sky's frame, fixed to distant quasars

Bodies, frames & concepts

• The J2000 Epoch
• Parallax

Across celestial mechanics

• The Barycentric Celestial Reference System
• The Ecliptic & Equinox
• The J2000 Epoch

Knowledge connections

• Associated withThe J2000 Epoch
• Associated withParallax
• Associated withThe Barycentric Celestial Reference System
• Associated withThe Ecliptic & Equinox
• Associated withThe J2000 Epoch
• Associated withAngular Separation
• Associated withThe Equatorial Coordinate System
• Associated withThe International Celestial Reference Frame (ICRF3)
• Associated withThe Fifth Fundamental Catalogue (FK5)
• Associated withNutation
• Associated withInternational Astronomical Union (IAU)

Sources

Facts on this topic will be cited from these primary and reference sources.

• IAUInternational Astronomical Union

  Official naming, definitions, constellation boundaries, and astronomical nomenclature.