Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981plap.rept..351a&link_type=abstract
In ESA Plasma Astrophys. p 351-352 (SEE N82-20030 10-88)
Astronomy and Astrophysics
Astrophysics
Particle Beams, Radio Bursts, Stellar Mass Ejection, Stellar Models, Toruses, Astrophysics, Black Holes (Astronomy), Collimation, Galactic Structure, Neutron Stars, Particle Acceleration, Quasars, Radiation Pressure, Space Plasmas, Stellar Structure
Scientific paper
A single model that explains the jets seen in radio galaxies and SS433, in which gas is accelerated by radiation pressure from a doughnut, is proposed. It has long been suspected that the extended lobes of double radio sources are powered by beams of material being ejected from the central galaxy. It is suggested that in cases where the viscosity is small, a doughnut or torus of gas may form in orbit around a compact body (neutron star or black hole) and that this can provide an alternative to accretion disks in explaining the energy requirements of quasars. This model seems to indicate what to expect from gas flows off standard alpha disks. General validity is implied in application to axisymmetric accretion systems.
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