SIMBAD references

1998A&A...335L..65H - Astronomy and Astrophysics, volume 335, L65-68 (1998/7-3)

The Tycho Reference Catalogue.

HOG E., KUZMIN A., BASTIAN U., FABRICIUS C., KUIMOV K., LINDEGREN L., MAKAROV V.V. and ROESER S.

Abstract (from CDS):

The Tycho Reference Catalogue (TRC) contains high-quality positions and proper motions for 990182 stars of the Tycho Catalogue. The proper motions were derived from Tycho positions and Astrographic Catalogue positions reduced to the Hipparcos system. The median accuracy of the TRC position components is 40mas at J1991.25. The median precision of the proper motion is about 2.5mas/yr . Systematic errors are less than about 1.0mas(/yr). The quality of the proper motions in TRC is assessed by comparison with the Hipparcos and Tycho Catalogues. Comparison with the recent ACT Catalogue which is based on an independent reduction of the same observations as used for the TRC is reported.

Abstract Copyright: ∼

Journal keyword(s): astrometry - reference catalogues - proper motions - Astrographic Catalogue - Tycho Catalogue

VizieR on-line data: <CDS Catalog: I/250>

Nomenclature: TYC FFFF-NNNNN-N N=990182.

CDS comments: Entirely ingested in SIMBAD (93.5% performed in 1999). The reference is not linked to the objects however because of the very large number of sources. See also the Tycho-2 Catalog (I/259), ref. 2000A&A...355L..27H.

Simbad objects: 0

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