The period distribution of cataclysmic binaries evolving without magnetic breaking

Details The period distribution of cataclysmic binaries evolving without magnetic breaking The period distribution of cataclysmic binaries evolving without magnetic breaking

Nov 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993a%26a...279l...5k&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 279, no. 1, p. L5-L8

Astronomy and Astrophysics

Astrophysics

22

Angular Momentum, Astronomical Models, Cataclysmic Variables, Computerized Simulation, Gravitational Waves, Periodic Variations, Stellar Evolution, Braking, Deceleration, Magnetic Fields, Monte Carlo Method

Scientific paper

We model a hypothetical subpopulation of cataclysmic binaries (CBs) which are driven exclusively by orbital angular momentum losses due to gravitational radiation, i.e. which do not experience magnetic braking. Applying the computational tools developed by de Kool (1992) and Kolb (1993) we synthesize the corresponding period histogram and compare it to the observed period distribution of AM Her systems, for which 'non-magnetic braking' models have been proposed recently. We find that for standard model assumptions such a subpopulation does not fit main features of the observed sample of AM Her stars.

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