Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aj....104.2217a&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 104, no. 6, p. 2217-2223.
Astronomy and Astrophysics
Astronomy
28
Binary Stars, Speckle Interferometry, Stellar Magnitude, Stellar Mass, Stellar Orbits, Calibrating, Eccentricity, Orbital Elements, Stellar Spectrophotometry
Scientific paper
The orbit of the double-lined spectroscopic binary Phi Cygni, the distance to the system, and the masses and absolute magnitudes of its components are presented via measurements with the Mark III Optical Interferometer. On the basis of a reexamination of the spectroscopic data of Rach & Herbig (1961), the values and uncertainties are adopted for the period and the projected semimajor axes from the present fit to the spectroscopic data and the values of the remaining elements from the present fit to the Mark III data. The elements of the true orbit are derived, and the masses and absolute magnitudes of the components, and the distance to the system are calculated.
Armstrong Thomas J.
Buscher David F.
Colavita Mark M.
Denison Craig S.
Hummel Christian A.
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