TW Hydrae astrometric parameters measurement
Langue
en
Communication dans un congrès
Ce document a été publié dans
2008IAUS..248..508T - Proceedings of the International Astronomical Union, IAU Symposium, 2008IAUS..248..508T - Proceedings of the International Astronomical Union, IAU Symposium, A Giant Step: from Milli- to Micro-arcsecond Astrometry, 2008. 2008, vol. 248, p. 508-509
Cambridge University Press
Résumé en anglais
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.
Mots clés en anglais
astrometry
stars: distances
planetary systems
stars: kinematics
solar neighborhood
open clusters and associations: individual (TWA)