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Title:
Delta Capricorni - an evolved binary or a main-sequence binary?
Authors:
Malasan, Hakim Luthfi; Yamasaki, Atsuma; Hadiyanto, Gregorius; Kondo, Masayuki
Affiliation:
AA(Tokyo, University, Japan; Bosscha Observatory, Bandung, Indonesia), AB(Tokyo, University, Japan), AC(Bosscha Observatory, Bandung, Indonesia), AD(Tokyo Astronomical Observatory, Japan)
Publication:
Astronomical Journal (ISSN 0004-6256), vol. 97, Feb. 1989, p. 499-504. Research supported by the Japan Society for the Promotion of Science and Ministry of Education and Culture of Indonesia. (AJ Homepage)
Publication Date:
02/1989
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
ECLIPSING BINARY STARS, MAIN SEQUENCE STARS, PECULIAR STARS, STELLAR SPECTROPHOTOMETRY, F STARS, LIGHT CURVE, LIGHT SCATTERING
DOI:
10.1086/114999
Bibliographic Code:
1989AJ.....97..499M

Abstract

A synthesis method is used to analyze B and V observations of Delta Cap obtained at the Bosscha Observatory in 1984 and 1985. Both components of the binary are found to be well inside their critical Roche lobes. The data are consistent with a model using a mass radio q = 0.365 which yields a main-sequence mass for the primary star. A distance of 8-11 pc is implied.

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