Astronomy and Astrophysics – Astrophysics
Scientific paper
May 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...222..269t&link_type=abstract
Astrophysical Journal, Part 1, vol. 222, May 15, 1978, p. 269-280. Research supported by the Research Corp.
Astronomy and Astrophysics
Astrophysics
137
Companion Stars, Neutron Stars, Stellar Evolution, Supergiant Stars, X Ray Stars, Angular Momentum, Energy Dissipation, Momentum Transfer, Stellar Envelopes, Stellar Mass Ejection, Stellar Structure
Scientific paper
The penetration of an orbiting 1 solar mass neutron star into a 16 solar mass 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) hydrodynamic ejection of part or 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.
Bodenheimer Peter
Ostriker Jeremiah P.
Taam Ronald E.
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