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Measurements of the equivalent width of the h/sub beta/ emission line and age determination of hii regions of the lmc and smc

H. Dottori, E. Bica

Abstract

The equivalent width of the emission line Hβ was measured photoelectrically in 29 H II regions of the LMC and 2 of the SMC respectively. The age of these regions was obtained through a calibration of Wʜβ. A relation was found between Wʜβ and the ratio of the H II region radius to that of the embedded stellar association.

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Key concepts: Physics, Equivalent width, Astrophysics, Line width, Line (geometry), Emission spectrum, BETA (programming language), Astronomy