Extension of a stellar reference system by means of spacecraft: Observed faint stars

Details Extension of a stellar reference system by means of spacecraft: Observed faint stars Extension of a stellar reference system by means of spacecraft: Observed faint stars

Mar 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975spam.rept...73w&link_type=abstract

In ESRO Space Astrometry p 73-77 (SEE N75-30957 21-89)

Astronomy and Astrophysics

Astronomy

1

Astronomical Catalogs, Celestial Reference Systems, Reference Stars, Satellite Observation, Position (Location), Radio Stars, Spaceborne Astronomy

Scientific paper

The incorporation of stellar observations acquired in space into the Fourth Fundamental Catalog (FK4) and eventually the FK5 system is discussed, such that these mainly faint stars allow extension of the system. Differential observations with 0.01 arc sec accuracy from spaceborne equipment are capable of extending the present reference system down to magnitude 10, or possible 17. Suitably selected faint stars in the vicinity of radio sources facilitate the interconnection of the optical and radio systems.

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