Are thick accretion disks the 'central engine' for astrophysical jets

Details Are thick accretion disks the 'central engine' for astrophysical jets Are thick accretion disks the 'central engine' for astrophysical jets

Nov 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982nciml..35..335n&link_type=abstract

Nuovo Cimento, Lettere, Serie 2, vol. 35, Nov. 6, 1982, p. 335-340. Research supported by the Consiglio Nazionale delle Ricerch

Astronomy and Astrophysics

Astronomy

2

Accretion Disks, Black Holes (Astronomy), Gas Jets, Navier-Stokes Equation, Relativistic Velocity, Stellar Mass Accretion, Astrodynamics, Axes Of Rotation, Cosmology, Electron Scattering, High Temperature Gases, Newtonian Fluids, Optical Thickness, X Rays

Scientific paper

The stationary solutions of the fully relativistic Navier-Stokes equations describing the flow of matter in the funnels formed along the rotation axis of astrophysical objects was studied. A Newtonian version of the theory of thick disks was applied. A set of equations was obtained for the cases when the gas is optically thick to true emission-absorption, when the gas is optically thick only for electron scattering, and when the gas is optically thin for either condition. The set was solved numerically to obtain temperature, density, and velocity profiles. Results obtained for five solar masses and 100 million solar masses are presented. The temperature of the gas as it leaves the funnels is high enough to produce X-rays of about 10 KeV with a luminosity of 8 x 10 to the 35th ergs/s, in agreement with the observed value of the X-ray flux for the point source.

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