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Title:
The Tycho double star catalogue
Authors:
Fabricius, C.; Høg, E.; Makarov, V. V.; Mason, B. D.; Wycoff, G. L.; Urban, S. E.
Affiliation:
AA(Copenhagen University Observatory, Juliane Maries Vej 30, 2100 Copenhagen Ø, Denmark), AB(Copenhagen University Observatory, Juliane Maries Vej 30, 2100 Copenhagen Ø, Denmark), AC(Copenhagen University Observatory, Juliane Maries Vej 30, 2100 Copenhagen Ø, Denmark; Universities Space Research Association, 300 D Street S.W., Washington, DC 20024, USA; United States Naval Observatory, 3450 Massachusetts Avenue N.W., Washington, DC 20392-5420, USA), AD(United States Naval Observatory, 3450 Massachusetts Avenue N.W., Washington, DC 20392-5420, USA), AE(United States Naval Observatory, 3450 Massachusetts Avenue N.W., Washington, DC 20392-5420, USA), AF(United States Naval Observatory, 3450 Massachusetts Avenue N.W., Washington, DC 20392-5420, USA)
Publication:
Astronomy and Astrophysics, v.384, p.180-189 (2002) (A&A Homepage)
Publication Date:
03/2002
Origin:
A&A
A&A Keywords:
STARS: BINARIES: VISUAL, CATALOGS, ASTROMETRY
DOI:
10.1051/0004-6361:20011822
Bibliographic Code:
2002A&A...384..180F

Abstract

We report the discovery of 13 251 visual double stars, mostly with separations between 0.3 and 1 arcsec, from a dedicated re-reduction of the Tycho data from the star mapper of the ESA Hipparcos satellite. The new doubles are combined with 18 160 WDS systems identified in the Tycho-2two, and 1220 new Tycho-2 doubles, to form the Tycho Double Star Catalogue, TDSC, a catalogue of absolute astrometry and BT, VT photometry for 66 219 components of 32 631 double and multiple star systems. We also include results for 32 263 single components for systems unresolved in TDSC, and a supplement gives Hipparcos and Tycho-2one data for 4777 additional components. The TDSC thus contains a total of 103 259 entries. Cross identifications are given to WDS, HD, Hipparcos and Tycho-2. Based on observations made with the ESA Hipparcos astrometry satellite. The catalogue is only available in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or via http://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/384/180

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