Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976mmsai..47...73m&link_type=abstract
Società Astronomica Italiana, Memorie, vol. 47, Mar. 1976, p. 73-84.
Astronomy and Astrophysics
Astrophysics
Astrophysics, Celestial Bodies, Rotating Bodies, Galactic Nuclei, Magnetic Dipoles, Magnetic Flux, Quasars, Radiation Sources, Radiation Spectra, Relativistic Particles, Supermassive Stars
Scientific paper
The possibility that spinning massive bodies with high surface magnetic field are the main energy sources in some extragalactic system (QSOs, Seyfert nuclei, etc) has led the authors to study the dynamical evolution of a spherically symmetric cloud containing a spinar in its centre. The spinar is assumed to lose energy through the magnetic dipole mechanism. This energy, transformed in magnetic field and particles energy, produces a pressure force pushing outwards the surrounding matter. The process leads to the formation of a cavity around the spinar, filled with relativistic electrons and magnetic field. The dynamical evolution of the cavity and the spectral evolution of its radiation is studied.
Fusco Femiano R.
Maceroni Carla
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