Revised masses of alpha Centauri

Details Revised masses of alpha Centauri Revised masses of alpha Centauri

Apr 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999a%26a...344..172p&link_type=abstract

Astronomy and Astrophysics, v.344, p.172-176 (1999)

Astronomy and Astrophysics

Astrophysics

39

Stars: Binaries: Spectroscopic, Stars: Binaries: Visual, Stars: Fundamental Parameters, Stars: Individual: Alpha Cen

Scientific paper

With the precise radial velocities lately published \cite{Murdoch-1993:b}, a simultaneous least-squares adjustment of all visual and spectroscopic observations of the alpha Centauri system is now possible and likely to yield some accurate information. Such an orbit determination leads to a mass ratio in agreement with the astrometric estimate of Kamper & Wesselink \cite*{Kamper-1978} but yields upward revisions of the distance and masses. We examine the effects these revisions on the evolutionary status of the system.

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