A Spectroscopic Survey of Algol-type Binary S Equ

Details A Spectroscopic Survey of Algol-type Binary S Equ A Spectroscopic Survey of Algol-type Binary S Equ

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aspc..370..201s&link_type=abstract

Solar and Stellar Physics Through Eclipses ASP Conference Series, Vol. 370, proceedings of the conference held 27-29 March, 2006

Physics

Scientific paper

This study presents the results of the medium-resolution optical spectra of S~Equ obtained with the echelle spectrograph of the Catania Astrophysical Observatory. In this work, new radial velocity curves for the components of the system with a precision better than in previous works are obtained using the cross-correlation technique. We have determined the absolute parameters of S~Equ combining the orbit and light curve solutions. The preliminary results of the Hα line analysis indicate an extra emission and absorption as a likely result of a mass-transfer process and chromospheric activity of the cooler component.

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