Study of the nuclei of NGC 3732 and IC 4662
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Abstract
The nuclei of two galaxies which show intense [O III] emission lines, NGC 3732, an Sa, and IC 4662, an irregular with a very bright nucleus, are analyzed spectroscopically. The physical condition of the emitting gas and the characteristics and re1ative degree of evolution of the ionizing sources are discussed. It was found that the principal differences between the line spectra of both objects are due to abundance effects, although there is some evidence suggesting a different degree of evoluti ...
The nuclei of two galaxies which show intense [O III] emission lines, NGC 3732, an Sa, and IC 4662, an irregular with a very bright nucleus, are analyzed spectroscopically. The physical condition of the emitting gas and the characteristics and re1ative degree of evolution of the ionizing sources are discussed. It was found that the principal differences between the line spectra of both objects are due to abundance effects, although there is some evidence suggesting a different degree of evolution of the ionizing stars. ...
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The astrophysical journal. Chicago. Vol. 244, no. 1, pt. 1 (Feb. 1981), p. 27-32
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Estrangeiro
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Artigos de Periódicos (39124)Ciências Exatas e da Terra (5955)
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