Hydrodynamic instability and coalescence of close binary systems

Details Hydrodynamic instability and coalescence of close binary systems Hydrodynamic instability and coalescence of close binary systems

Apr 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...406l..63l&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 406, no. 2, p. L63-L66.

Astronomy and Astrophysics

Astrophysics

75

Binary Stars, Flow Stability, Orbit Decay, Stellar Models, Stellar Orbits, Coalescing, Gravitational Waves, Neutron Stars, Radial Velocity

Scientific paper

The meaning of hydrodynamic instability of close binary systems is clarified, and the resulting large (but finite) value of the radial infall velocity near the end of the coalescence is estimated. Emphasis is placed on the case where the orbital decay is driven by gravitational radiation. A simple calculation of the orbital decay is presented for a simple generic model of a close binary.

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