Orbital elements of the eclipsing binary Zeta Phe

Details Orbital elements of the eclipsing binary Zeta Phe Orbital elements of the eclipsing binary Zeta Phe

Jul 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987ap%26ss.135..283n&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 135, no. 2, July 1987, p. 283-286.

Astronomy and Astrophysics

Astrophysics

2

Eclipsing Binary Stars, Elliptical Orbits, Orbit Calculation, Orbital Elements, Stellar Orbits, Apsides, Electrophotometry, Stellar Spectra

Scientific paper

Published photoelectric and spectroscopic observations are used to analyze the light curve of the eclipsing binary Zeta Phe and to determine its orbital elements. An orbital eccentricity of 0.014, a periastron longitude of -85 deg, and an orbital inclination of 85.0 + or - 0.4 deg are found. The movement of the line of apsides of the binary system is also studied, and a U/P value of 13,850 is obtained for Zeta Phe. The data are compared with previously published values.

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