On the abundance of heavy elements in the galactic centre

Details On the abundance of heavy elements in the galactic centre On the abundance of heavy elements in the galactic centre

Sep 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976mnras.176p..73a&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 176, Sept. 1976, p. 73P-77P.

Astronomy and Astrophysics

Astronomy

5

Abundance, Atmospheric Ionization, Galactic Nuclei, Galactic Structure, Heavy Elements, Stellar Atmospheres, Atmospheric Models, Electron Density (Concentration), Gas Ionization, Lyman Spectra, Neon, Proton Density (Concentration), Stellar Temperature

Scientific paper

The effect of heavy-element abundances in stellar atmospheres on the ionization structure of the galactic center is investigated. It is found that the observations of ionized neon are most readily fitted by a situation in which heavy elements are overabundant by a factor of 3 compared with solar values and ionization is provided by stars with effective temperatures around 40,000 K.

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