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Measuring the evolution of H II and starburst galaxies

Published online by Cambridge University Press:  26 May 2016

João R.S. Leão ,
Reiner R. Lacerda  and
Roberto Cid Fernandes Jr.
João R.S. Leão
Affiliation:
Universidade Federal de Santa Catarina, CP 476, CEP 88040-900, Florianópolis, SC, Brasil
Reiner R. Lacerda
Affiliation:
Universidade Federal de Santa Catarina, CP 476, CEP 88040-900, Florianópolis, SC, Brasil
Roberto Cid Fernandes Jr.
Affiliation:
Universidade Federal de Santa Catarina, CP 476, CEP 88040-900, Florianópolis, SC, Brasil

Abstract

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The evolution of starbursts and their young stellar populations is usually studied using evolutionary population synthesis and photo-ionization calculations. We give a more empirical approach to this issue by appling empirical population synthesis techniques to samples of starburst and H ii galaxies, to measure their evolutionary state and correlate the results with their emission line properties. The results are presented using an evolutionary diagram whose axis are the strengths of the young, intermediate and old age components of the population mix. We also recover the long known prediction that the WHβ and the gas extinction decrease as the starburst ages.

Type
Part 4. Feedback from Massive Stars
Information
Symposium - International Astronomical Union , Volume 212: A Massive Star Odyssey: From Main Sequence to Supernova , 2003 , pp. 724 - 725
Copyright
Copyright © Astronomical Society of the Pacific 2003 

References

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