Metallicity-dependence of radiative cooling in optically thin, hot plasmas

Details Metallicity-dependence of radiative cooling in optically thin, hot plasmas Metallicity-dependence of radiative cooling in optically thin, hot plasmas

May 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...215..147b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 215, no. 1, May 1989, p. 147-149.

Astronomy and Astrophysics

Astrophysics

109

Cosmic Plasma, High Temperature Plasmas, Metallicity, Radiant Cooling, Thermodynamic Equilibrium, Galactic Evolution, Heat Transfer Coefficients, Optical Thickness, Phase Transformations, Star Formation

Scientific paper

The radiative-cooling coefficient of hot plasma in thermal equilibrium was calculated as a function of the metallicity of the plasma for temperatures between 10,000 and 100 million K. Emission lines from ions of the most abundant elements and continuum emission were included in the calculations. These results are important for modeling the evolution of the Galactic interstellar medium. One interesting implication is that cooling is no longer dependent on the metallicity once the metallicity has a value below 0.01 times solar.

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