Detached to contact scenario for the origin of W UMa stars

Details Detached to contact scenario for the origin of W UMa stars Detached to contact scenario for the origin of W UMa stars

May 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...109...17v&link_type=abstract

Astronomy and Astrophysics, vol. 109, no. 1, May 1982, p. 17-22.

Astronomy and Astrophysics

Astrophysics

127

Angular Momentum, Binary Stars, Main Sequence Stars, Stellar Evolution, Stellar Rotation, Braking, Deceleration, Orbital Elements, Stellar Spectra

Scientific paper

The scenario of solar-type contact binary formation as the result of gradual angular momentum loss from a detached or semidetached binary is investigated quantitatively. Angular momentum loss rate is calculated as a function of orbital period for a binary star with a total mass of 2 solar masses under the assumptions that the rotational velocity decreases as the inverse square root of the stellar age, and the total angular momentum is decreasing due to spin-orbit coupling. Examination of low-mass binary statistics suggests the initial period distribution of new binaries to have a smooth cut-off around 2 days. Under the above assumptions and that of a contact lifetime of 500 million years, it is shown that angular momentum loss could produce correct order of magnitude space density, period-color and cluster membership statistics.

Affiliated with

Also associated with

No associations

Rating

Detached to contact scenario for the origin of W UMa stars does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Detached to contact scenario for the origin of W UMa stars, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Detached to contact scenario for the origin of W UMa stars will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1099830