Physical conditions of ionized gas and mass-luminosity distribution in NGC 7793

Details Physical conditions of ionized gas and mass-luminosity distribution in NGC 7793 Physical conditions of ionized gas and mass-luminosity distribution in NGC 7793

Oct 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979ap%26ss..65..423a&link_type=abstract

Astrophysics and Space Science, vol. 65, no. 2, Oct. 1979, p. 423-431.

Astronomy and Astrophysics

Astrophysics

5

Astronomical Spectroscopy, Galaxies, Interstellar Gas, Ionized Gases, Luminous Intensity, Mass Distribution, Electron Density (Concentration), Electron Energy, Emission Spectra, Galactic Evolution, Galactic Nuclei, Nitrogen, Radial Distribution

Scientific paper

The physical state of ionized gas in NGC 7793 was studied by spectroscopical means: the electronic temperature is approximately 10,000 K while the electronic density ranges from 1400 per cu cm in the nucleus to 1000 per cu cm in the emission regions. There are also indications of an excess of nitrogen in the nucleus. The mass/luminosity ratio suggests for NGC 7793 a high proportion of young objects quite uniformly distributed over its body, with a slight concentration towards the nuclear region.

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