CIRCULARIZATION AND SYNCHRONIZATION TIMES IN DETACHED MAIN-SEQUENCE ECLIPSING BINARIES

DOI: 
Publication date: 
01/01/1992
Main author: 
CLARET, A
IAA authors: 
CLARET, A
Authors: 
CLARET, A; GIMENEZ, A
Journal: 
IAU SYMPOSIA
Publication type: 
Article
Volume: 
Pages: 
269-272
Number: 
Abstract: 
We have studied a sample of selected eclipsing binaries with accurate absolute dimensions in order to check the validity of available theories of tidal evolution in terms of synchronization and circularization time scales. The use of integrated values, using theoretical evolutionary tracks to compute the change with time of radius, luminosity and internal structure, provides a powerful tool for the prediction of observable parameters. Pseudo-synchronization at periastron is the best approximation to stellar rotation in eccentric systems. While most systems are found to show synchronized velocities, the presence of eccentric orbits shows that circularization process are still active during the main sequence stage.
Database: 
WOK
Keywords: