Abstract
view Abstract Citations (26) References (20) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS General Relativistic Structure of Star-Toroid Systems Nishida, Shogo ; Eriguchi, Yoshiharu ; Lanza, Antonio Abstract General relativistic equilibrium configurations of a star-toroid system in a stationary axisymmetric space- time have been computed. The system consists of a rapidly rotating polytropic star and a surrounding polytropic self-gravitating thick toroid. As the gravity of the toroid deforms the central star, less angular velocity is needed for the central star to shed mass from the equator. Due to dragging of the massive toroid the angular velocity and the angular momentum can have opposite signs. Thus this situation is similar to the black hole-toroid system investigated previously by Will, Chakrabarti, & Lanza. The Keplerian angular momentum distribution for the spacetime is also discussed. Publication: The Astrophysical Journal Pub Date: December 1992 DOI: 10.1086/172090 Bibcode: 1992ApJ...401..618N Keywords: ACCRETION; ACCRETION DISKS; RELATIVITY; STARS: ROTATION full text sources ADS |
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