CHEMICAL ABUNDANCES IN GALACTIC HII REGIONS
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UNAM, Instituto de Astronomía, CD MEXICO, DF, MEX
UNAM, Instituto de Astronomía, CD MEXICO, DF, MEX
UNAM, Instituto de Astronomía, CD MEXICO, DF, MEX
Abstract
New photoelectric observations of Orion, M8, and M17 are presented; from these data the chemical abundances of He, C, N, O, Ne, and S with respect to hydrogen are derived, taking into account the effect of temperature fluctuations over the volumes conside