H II regions as probes of galaxy evolution and the properties of massive stars

Details H II regions as probes of galaxy evolution and the properties of massive stars H II regions as probes of galaxy evolution and the properties of massive stars

Sep 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993pasp..105..996g&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 105, no. 691, p. 996-998.

Astronomy and Astrophysics

Astronomy

1

Galactic Evolution, H Ii Regions, Hot Stars, Interstellar Matter, Ionized Gases, Massive Stars, Chemical Composition, Chemical Evolution, Interstellar Gas

Scientific paper

The use of H II regions as probes to study the chemical evolution of galaxies and the spectral properties of hot, massive stars is reviewed. The observable parameters for this task are the physical conditions, elemental abundances, and ionization balance in the ionized gas. Some outstanding uncertainties in the determination of these parameters and some approaches to remedy or circumvent the problems are discussed.

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