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Analysis of radio recombination lines Perley, Richard Alan

Abstract

The formation of spectral lines in the radio region from galactic nebulae is studied. Equations describing the strengths of these lines are developed for both the local thermodynamic equilibrium case and the statistical equilibrium case. An experiment in which radio lines from galactic nebulae were detected is described. The reduction of the observations to obtain estimates of the temperature and density of the galactic gas is performed, and comments on the validity of the analysis are included.

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