SIMBAD references

2000A&A...355L..27H - Astronomy and Astrophysics, volume 355, L27-30 (2000/3-2)

The Tycho-2 catalogue of the 2.5 million brightest stars.

HOG E., FABRICIUS C., MAKAROV V.V., URBAN S., CORBIN T., WYCOFF G., BASTIAN U., SCHWEKENDIEK P. and WICENEC A.

Abstract (from CDS):

The Tycho-2 Catalogue presented here is an astrometric reference catalogue containing positions and proper motions as well as two-colour photometric data for the 2.5 million brightest stars in the sky. The Tycho-2 positions and magnitudes are based on precisely the same observations as the original Tycho Catalogue (hereafter Tycho-1) collected by the star mapper of the ESA Hipparcos satellite, but Tycho-2 is much bigger and slightly more precise, owing to a more advanced reduction technique. Components of double stars with separations down to 0.8 arcsec are included. Proper motions precise to about 2.5mas/yr are given as derived from a comparison with the Astrographic Catalogue and 143 other ground-based astrometric catalogues, all reduced to the Hipparcos celestial coordinate system. Tycho-2 supersedes in most applications Tycho-1, as well as the ACT and TRC catalogues based on Tycho-1.

Abstract Copyright:

Journal keyword(s): astrometry - stars: fundamental parameters - catalogs

VizieR on-line data: <CDS Catalogue: I/259>

Nomenclature: TYC FFFF-NNNNN-N N=2539913.

Errata: erratum vol. 363 p.385

CDS comments: reprint in the special issue (500/1) : 2009A&A...500..583H

Simbad objects: 0

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2020.10.24-02:48:17

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