Double core evolution. I. A 16 M/sub sun/ star with a 1 M/sub sun/ neutron-star companion

Journal Article · Mon May 15 00:00:00 EDT 1978 · Astrophys. J.; (United States)

DOI:https://doi.org/10.1086/156142· OSTI ID:6816067

Taam, R E; Bodenheimer, P; Ostriker, J P

The penetration of an orbiting 1 M/sub sun/ neutron star into a 16 M/sub sun/ supergiant companion is investigated. Primary emphasis is placed on the structure and evolution of the massive component. Effects due to turbulent dissipation and frictional drag as well as angular momentum transport are included. It is found that double core evolution leads to either (1) hydrodynamicejection of part of all of the envelope or (2) coalescence of the two cores with little or no mass ejection: possibly resulting in a Thorne-Zytkow object. Some implications regarding the binary pulsar are discussed in the context of the double core scenario.

• Research Organization: Department of Astronomy, University of California, Berkeley
• OSTI ID: 6816067
• Journal Information: Astrophys. J.; (United States), Vol. 222:1
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BINARY STARS
STAR EVOLUTION
NEUTRON STARS
SUPERGIANT STARS
DISSIPATION FACTOR
ENERGY LOSSES
FRICTION
HYDRODYNAMICS
STAR MODELS
FLUID MECHANICS
GIANT STARS
MATHEMATICAL MODELS
MECHANICS
STARS
640102* - Astrophysics & Cosmology- Stars & Quasi-Stellar
Radio & X-Ray Sources