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Title:
Seven SB2 masses using Hipparcos intermediate astrometric data
Authors:
Arenou, Frédéric; Halbwachs, Jean-Louis; Mayor, Michel; Palasi, Julienne; Udry, Stéphane
Affiliation:
AA(DASGAL / CNRS UMR 8633, Observatoire de Paris, 5 place J. Janssen, F-92195 Meudon cedex, France ), AB(Observatoire Astronomique de Strasbourg, UMR 7550 11, rue de l'Université, F-67000 Strasbourg, France ), AC(Observatoire de Genève, 51 chemin des Maillettes CH-1290, Sauverny, Switzerland ), AD(DASGAL / CNRS UMR 8633, Observatoire de Paris, 5 place J. Janssen, F-92195 Meudon cedex, France ), AE(Observatoire de Genève, 51 chemin des Maillettes CH-1290, Sauverny, Switzerland )
Publication:
Birth and Evolution of Binary Stars, Poster Proceedings of IAU Symposium No. 200 on The Formation of Binary Stars, held 10-15 April, 2000, in Potsdam, Germany. Edited by Bo Reipurth and Hans Zinnecker, 2000, p. 135.
Publication Date:
00/2000
Origin:
AUTHOR
Bibliographic Code:
2000IAUS..200P.135A

Abstract

The spectroscopic orbital elements of seven double-lined spectroscopic binaries have been combined with the Hipparcos astrometric data. Dynamical masses and magnitude differences are determined with a precision of about 15% on average, and the astrometric parameters are improved.

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