A spectrographic orbit for the eclipsing binary V757 Centauri

Details A spectrographic orbit for the eclipsing binary V757 Centauri A spectrographic orbit for the eclipsing binary V757 Centauri

Feb 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982pasp...94..195c&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 94, Feb. 1982, p. 195-197.

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3

Eclipsing Binary Stars, Orbital Elements, Radial Velocity, Spectrograms, Stellar Spectra, Eccentric Orbits, Light Curve, Line Spectra, Spectrum Analysis, Stellar Magnitude

Scientific paper

Twenty-two blue spectrograms of the double-lined spectroscopic binary V757 Cen were obtained at the Cerro Tololo Inter-American Observatory and were measured for determination of radial velocities with the Grant oscilloscope display comparator, both in forward and reverse directions. Both components of the binary are of very similar spectral type, about GOV. The radial-velocity variation of each line was plotted individually versus orbital phase, and those which showed the best-defined orbital motion for both components were then averaged. The absolute dimensions of the components are estimated. Physical parameters are similar to other W UMa binaries.

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