Astronomy and Astrophysics – Astronomy
Scientific paper
May 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979phdt.........4t&link_type=abstract
Ph.D. Thesis Florida Univ., Gainesville.
Astronomy and Astrophysics
Astronomy
5
Astronomical Spectroscopy, Eclipsing Binary Stars, Stellar Rotation, Doppler Effect, Eclipses, Light Curve, Radial Velocity, Stellar Radiation
Scientific paper
An analysis of the Rossiter effect is used in order to determine the rate of stellar equatorial rotational velocities for the primary components of 19 Algol type eclipsing binary systems. In addition, analyses of the associated light curves and determination of new absolute parameters were carried out for these systems. Further, the radii of possible ring structures existing around the primary components in several systems were determined. Finally, evidence is presented indicating that for several suspect systems no extra light is present at second and third contact, unlike the results of an analysis of Y Psc. It is suggested that the inclusion of rotation effects on the stellar figures removes the need for such extra light.
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