Measurement and study of rotation in close binary stars. (III) Statistical analysis of synchronization.

Details Measurement and study of rotation in close binary stars. (III) Statistical analysis of synchronization. Measurement and study of rotation in close binary stars. (III) Statistical analysis of synchronization.

Jul 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996acaps..16..291p&link_type=abstract

Acta Astrophys. Sin., Vol. 16, No. 3, p. 291 - 297

Astronomy and Astrophysics

Astrophysics

2

Close Binaries: Stellar Rotation

Scientific paper

This article presents the statistical relations between synchronization, the fractional radii and the periods in early close eclipsing binaries. By dividing the samples into contact, semi-detached and detached groups, the authors found that there exist limiting fractional radii above which synchronization can be regarded as a rule. The limiting r is about 0.21 in contact and semi-detached systems, and 0.18 for detached binaries. The difference between the two limiting radii can be, at least partially, attributed to the mass and angular momentum transfers in contact and semi-detached systems.

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