Evolution of H II regions

Details Evolution of H II regions Evolution of H II regions

May 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987rmxaa..14..463d&link_type=abstract

(IAU, Reunion Regional Latinoamericana de Astronomia, 5th, Merida, Mexico, Oct. 6-10, 1986) Revista Mexicana de Astronomia y Ast

Astronomy and Astrophysics

Astronomy

1

Active Galactic Nuclei, Galactic Evolution, H Ii Regions, Milky Way Galaxy, Emission Spectra, H Beta Line, Magellanic Clouds, Molecular Clouds, Seyfert Galaxies, Stellar Mass

Scientific paper

The influence of the evolution on general properties of the H II regions is analyzed. The problem of the parametricity, the line ratios generally used as metallicity indicators, and the H II regions as distance calibrators are particularly discussed. Existing determinations of age in the LMC, SMC, and BCG are reviewed. An analysis of radio data on VH+ and VHe+ to determine ages for H II regions of the Milky Way is presented. Finally, it is also discussed the new idea on the link between H II region evolution and nuclear activity in galaxies.

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