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Interferometric measurements of binaries

Published online by Cambridge University Press:  25 May 2016

H.A. McAlister
H.A. McAlister*
Affiliation:
CHARA, Georgia State University, Atlanta, Georgia, USA

Extract

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This paper is a brief overview of the past performance and future promise of interferometry as applied to the study of binary stars. For the sake of brevity, the important results from infrared techniques in recent years are regretfully omitted here. It is probably unnecessary to remind the reader that the analysis of binary star orbital motions is the only direct means for the determination of stellar masses. Historically, stellar masses have resulted primarily from orbits that are sufficiently wide in angular separation to permit the astrometric determination of the motions of the individual components about the center of mass as well as the parallax of the system or from short-period spectroscopic/eclipsing binaries. The advent of long baseline optical interferometers holds the promise of a wealth of new stellar mass data through the direct resolution of spectroscopic binaries.

Type
Stellar Masses and Surface Gravities
Information
Symposium - International Astronomical Union , Volume 189: Fundamental Stellar Properties: The Interaction Between Observation and Theory , 1997 , pp. 109 - 114
Copyright
Copyright © Kluwer 1997 

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