NASA NTRS · 19740033934
A study of the reflection effect in close spectroscopic binary stars
Abstract
Four W Ursae Majoris-type binaries were investigated using the simple model of blackbody solid spheres. Numerical computations were carried out for the rotationally broadened profiles of spectral lines Sr II (4077.7) and Ca I (4226.7) and the mean radial velocities. These mean velocities at different phases outside eclipses were compared with sinusoidal values of the radial velocity curve for point masses. Within the present accuracy of observations, the reflection effect is small and may be neglected in the analysis of radial velocity curves.
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Chen, K.-Y., Rhein, W. J.. 1973-01-01. A study of the reflection effect in close spectroscopic binary stars. https://ntrs.nasa.gov/citations/19740033934
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