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Luminosity Functions in Dwarf Irregulars

Published online by Cambridge University Press:  04 August 2017

John G. Hoessel
John G. Hoessel*
Affiliation:
Space Telescope Science Institute

Extract

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Observing luminosity functions and color-magnitude diagrams is a first step towards understanding the luminous stellar populations in galaxies. Dwarf irregular galaxies are of special interest for a variety of reasons. They are common at distances where they can be resolved, and generally have low background surface brightnesses which makes photometry of the resolved stars relatively easy. Dwarf irregulars exhibit a fairly wide spread in metal abundance allowing the study of massive star formation and evolution under a variety of conditions. Also, the dynamics of such systems is in general simple, without spiral density waves or other effects which might complicate understanding of the star formation process.

Type
Session 7. Luminous Stellar Content of Galaxies-Integrated Properties—I
Information
Symposium - International Astronomical Union , Volume 116: Luminous Stars and Associations in Galaxies , 1986 , pp. 439 - 449
Copyright
Copyright © Reidel 1986 

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