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Revisiting TW Hydrae association in light of Gaia-DR1

Published online by Cambridge University Press:  07 March 2018

R. Teixeira ,
E. R. Gonoretzky ,
C. Ducourant ,
P. A. B. Galli  and
A. G. O. Krone-Martins
R. Teixeira
Affiliation:
Universidade de São Paulo, IAG, São Paulo, Brazil email: [email protected]
E. R. Gonoretzky
Affiliation:
Universidade de São Paulo, IAG, São Paulo, Brazil email: [email protected]
C. Ducourant
Affiliation:
Laboratoire d'Astrophysique de Bordeaux, Univ. Bordeaux, CNRS, France
P. A. B. Galli
Affiliation:
Universidade de São Paulo, IAG, São Paulo, Brazil email: [email protected]
A. G. O. Krone-Martins
Affiliation:
Faculdade de Ciencias, Universidade de Lisboa, Portugal
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Abstract

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TW Hydrae is a very young and nearby association with about 30 known members which is an excellent target for studies on stellar evolution since several of its members present a particular interest (planetary system, brown dwarfs, etc.). With the new data from TGAS and the Gaia DR1 eventually combined with others astrometric data we intend to improve our kinematic knowledge of this association.

Keywords

stellar associationTW Hydraeproper motionGaiaTGAS
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 12 , Symposium S330: Astrometry and Astrophysics in the Gaia sky , April 2017 , pp. 265 - 266
Copyright
Copyright © International Astronomical Union 2018 

References

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