Photoelectric radial velocities of eclipsing binaries. II - Orbital elements of UZ DRA

Details Photoelectric radial velocities of eclipsing binaries. II - Orbital elements of UZ DRA Photoelectric radial velocities of eclipsing binaries. II - Orbital elements of UZ DRA

Jul 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26as...65...97i&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 65, no. 1, July 1986, p. 97-101. In French.

Astronomy and Astrophysics

Astrophysics

2

Eclipsing Binary Stars, Electrophotometry, Orbital Elements, Radial Velocity, Stellar Spectrophotometry, Astrometry, Diameters, Line Spectra, Stellar Composition, Stellar Luminosity, Stellar Mass

Scientific paper

We present the first radial velocities obtained for the faint double-lined eclipsing binary UZ Dra. We have determined a spectroscopic orbit for this star, using 45 accurately measured velocities. The following elements were derived: Considerations about the spectral type, duration of main eclipse, minimum masses and ratio of the luminosity - deduced from Coravel peaks - lead us to adopt the following physical parameters for the two components:

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