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TW Hydrae astrometric parameters measurement

Published online by Cambridge University Press:  01 October 2007

R. Teixeira ,
C. Ducourant ,
G. Chauvin ,
A. G. O. Krone-Martins ,
J.-F. le Campion ,
I. Song  and
B. Zuckerman
R. Teixeira
Affiliation:
IAG/São Paulo University, Brazil email: [email protected]
C. Ducourant
Affiliation:
Bordeaux Observatory LAB, France
G. Chauvin
Affiliation:
Grenoble Laboratory of Astrophysics, France
A. G. O. Krone-Martins
Affiliation:
IAG/São Paulo University, Brazil email: [email protected] Bordeaux Observatory LAB, France
J.-F. le Campion
Affiliation:
Bordeaux Observatory LAB, France
I. Song
Affiliation:
Spitzer Science Center, Caltech, USA
B. Zuckerman
Affiliation:
UCLA, USA
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Abstract

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The primary goal of this study was measurement of trigonometric parallaxes and proper motions of a dozen members of the TW Hydrae Association (TWA) that are not present in the Hipparcos catalogue.

Keywords

astrometrystars: distancesplanetary systemsstars: kinematicssolar neighborhoodopen clusters and associations: individual (TWA)
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 3 , Symposium S248: A Giant Step: from Milli- to Micro-arcsecond Astrometry , October 2007 , pp. 508 - 509
Copyright
Copyright © International Astronomical Union 2008

References

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