Towards orbital-element distributions for M-dwarf stars

Bibcode
2000IAUS..200P.158U
Udry, Stéphane; Mayor, Michel; Delfosse, Xavier; Forveille, Thierry; Perrier-Bellet, Christian
Referencia bibliográfica

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. 158.

Fecha de publicación:
0
2000
Número de autores
5
Número de autores del IAC
1
Número de citas
8
Número de citas referidas
7
Descripción
We report preliminary results of a long-term radial-velocity search for companions of nearby M-dwarf stars with the two CORAVEL spectrographs in both hemispheres. Although not complete yet this survey is already drastically improving the amount of data available for M-dwarf spectroscopic binaries by providing a first set of orbital elements for 31 binaries among which 23 were previously unknown. In this contribution, we will focus on the (e, log{P}) diagram, less sensitive to incompleteness effects, combining the CORAVEL results with data taken from the literature.
Tipo
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