Spherically symmetric 'Newtonian' dynamic models of massive bodies

Details Spherically symmetric 'Newtonian' dynamic models of massive bodies Spherically symmetric 'Newtonian' dynamic models of massive bodies

Feb 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976afz....12..165g&link_type=abstract

Astrofizika, vol. 12, Feb. 1976, p. 165-176. In Russian.

Astronomy and Astrophysics

Astronomy

5

Dynamic Models, Gravitational Collapse, Newton Theory, Pulsars, Relativity, Stellar Models, Entropy, Ideal Gas, Nuclear Fuel Burnup, Radio Emission, Stellar Mass, Universe, X Ray Astronomy

Scientific paper

The paper studies 'supermassive' bodies for which there is no equilibrium solution in the general theory of relativity. Since the mass of such bodies is greater than 2 solar masses and their nuclear fuel has been depleted, a dynamic solution of the oscillatory-collapse type is shown to be inevitable. The simplest model with a polytropic equation of state is analyzed in the Newtonian approximation. Self-similarity of motion is assumed in this analysis, but neither rotation nor a magnetic field is taken into account. It is found that such a crude model leads to pulsed thermal X-ray emission. A plasma mechanism of pulsed radiowave generation is discussed.

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