Catalogues of Fundamental Stars
The Catalogue of Fundamental Stars is a series of six astrometric catalogues of high precision positional data for a small selection of stars to define a celestial reference frame, which is a standard coordinate system for measuring positions of stars.
The six volumes in the fundamental catalogue series are as follows:
The Neuer Fundamentalkatalog (NFK) was compiled by J. Peters and contained 925 stars.
The Fourth Fundamental Catalogue (FK4) was published in 1963, and contained 1,535 stars in various equinoxes from 1950.0 to 1975.0.
The Fourth Fundamental Catalogue's Supplement (FK4S) was an amendment to FK4 that contains a further 1,987 stars.
The Fifth Fundamental Catalogue (FK5) was a 1988 update of FK4 with new positions for the 1,535 stars. It was superseded by the quasar-based International Celestial Reference Frame (ICRF).
The Fifth Fundamental Catalogue Extension (FK5), published in 1991, added 3,117 new stars.
The Sixth Fundamental Catalogue (FK6) is a 2000 update of FK5 correlated with the ICRF through the Hipparcos satellite. It comes in two parts: FK6(I) and FK6(III). FK6(I) contains 878 stars, and FK6(III) contains 3,272 stars. Both are updated and amended versions of FK5, using Hipparcos catalogue data.
- Iota Arietis is located in FK5 as item 2132
- Alpha Arietis is FK5 item 74
- Kappa Aurigae is FK5 item 1168
- Walter, Hans G.; Sovers, Ojars J. (2000). Astrometry of fundamental catalogues : the evolution from optical to radio reference frames. Berlin: Springer. p. 38. ISBN 9783540674368. OCLC 43919630.
- ReadMe for Sixth Catalogue of Fundamental Stars (FK6) at VizieR Service at Centre de Données astronomiques de Strasbourg
- Fifth fundamental catalogue part I Basic FK5 (1988)
- Fifth fundamental catalogue part II FK5 extension
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