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The Search for Close Binary Evolved Stars

descriptionPublicationkeyboard_double_arrow_right Article , Part of book or chapter of book , Other literature type 01 Jan 1989 English Publisher:Cambridge University Press (CUP)Journal:International Astronomical Union Colloquium, volume 114, pages 408-412 (issn: 0252-9211,

Authors: James Liebert; Rex A. Saffer;

doi: 10.1017/s0252921100099978 , 10.1007/3-540-51031-1_358

The Search for Close Binary Evolved Stars

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Abstract

AbstractWe report on a search for short-period binary systems composed of pairs of evolved stars. The search is being carried out concurrently with a program to characterize the kinematical properties of two different samples of stars. Each sample has produced one close binary candidate for which further spectroscopic observations are planned. We also recapitulate the discovery of a close detached binary system composed of two cool DA white dwarfs, and we discuss the null results of Hα observations of the suspected white dwarf/brown dwarf system G 29–38.

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Sofia University
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University of Arizona
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