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Two component Emden sphere
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The theory of a self-gravitating gas sphere is given. The gravitational field is generated by two components, each of which is an independent isothermal gas. Various quantities of interest, such as density profiles, core radii of both components, masses, free-free luminosity, surface brightness, central surface density, and overestimate of central mass density, are given for different values of both parameters which arise naturally (ratio of central densities, ratio of rms velocities). Fundamental changes appear when comparison is made with a theory in which the second component is a 'test component'. Procedures are given for the complete analysis of real astrophysical configurations such as clusters of galaxies or globular clusters.
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CAPELATO, H. v., GERBAL, D., SALVADOR SOLÉ, Eduard, MATHEZ, Guy, MAZURE, Alain, ROLAND, J.. Two component Emden sphere. _Astronomy and Astrophysics Supplement Series_. 1979. Vol. 38, núm. 295-310. [consulta: 20 de gener de 2026]. ISSN: 0365-0138. [Disponible a: https://hdl.handle.net/2445/9177]