Resonant interaction in common envelopes

Abstract

view Abstract Citations (16) References (26) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Resonant Interaction in Common Envelopes Soker, Noam Abstract The resonant interaction between an orbiting low-mass secondary star and the pulsational modes of the primary in a common envelope binary system is studied. When the secondary is very close to the envelope, and especially if it is inside the envelope, i.e., the system is in a common envelope phase, a rich spectrum of both g- and p-modes can be excited. During the common envelope phase high-order and high harmonic p-modes become important. By means of a simple one-zone model, the amplitudes of the forced oscillations are approximately estimated. It is claimed that if several conditions are met, then a brown dwarf secondary can cause nonnegligible axisymmetrical mass loss through its resonant interaction with a red giant primary's envelope. One implication of this for elliptical planetary nebulae is discussed. Publication: The Astrophysical Journal Pub Date: February 1991 DOI: 10.1086/169654 Bibcode: 1991ApJ...367..593S Keywords: Binary Stars; Brown Dwarf Stars; Red Giant Stars; Stellar Envelopes; Stellar Oscillations; Astronomical Models; Astronomical Spectroscopy; Planetary Nebulae; Stellar Models; Astrophysics; STARS: BINARIES; STARS: PULSATION full text sources ADS | data products SIMBAD (4)