The HIPPARCOS input catalogue - A progress report from an astrometric point of view

Details The HIPPARCOS input catalogue - A progress report from an astrometric point of view The HIPPARCOS input catalogue - A progress report from an astrometric point of view

Mar 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991ap%26ss.177..115r&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 177, no. 1-2, March 1991, p. 115-119.

Astronomy and Astrophysics

Astronomy

Astrometry, Astronomical Catalogs, Hipparcos Satellite, Celestial Reference Systems, Reference Stars, Sky Surveys (Astronomy)

Scientific paper

The construction of the Hipparcos satellite is proceeding according to the schedule and should be finished in March 1988. But, due to some problems with the Ariane European booster, the launch has now been postponed until 1989. In practice, this means that the astronomical community may expect delivery of the final Hipparcos Catalog only in 1995. At the present time, it can be stated that all results of the tests and simulations on the various subsystems have confirmed the expected precisions of 2 mas/year for stars brighter than V = 9. For stars with V = 12, the precision is degraded by a factor 2, or worse if the next solar maximum occurring during the 2.5 year mission proves exceptionally active.

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