Spectroscopic orbits of the eclipsing binaries DV and DX AQR

Details Spectroscopic orbits of the eclipsing binaries DV and DX AQR Spectroscopic orbits of the eclipsing binaries DV and DX AQR

Apr 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976a%26as...24...29p&link_type=abstract

Astronomy and Astrophysics Supplement Series, vol. 24, Apr. 1976, p. 29-34.

Astronomy and Astrophysics

Astrophysics

7

Eclipsing Binary Stars, Orbital Elements, Spectrum Analysis, Stellar Spectra, Line Spectra, Orbit Calculation, Radial Velocity, Velocity Distribution

Scientific paper

Orbital elements of the bright eclipsing binaries DV and DX Aqr have been determined from spectrograms taken in 1973 at the European Southern Observatory. Adopting e = 0 for the eccentricities of both orbits, velocity amplitudes of 95.5 km/s and 97.9 km/s are derived along with mean system velocities of 10.3 km/s and 15.0 km/s for DV and DX Aqr, respectively. The radial-velocity curve of DX Aqr displays a well-pronounced rotation effect.

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