Abundances in dwarf irregular galaxies

Name: Abundances in dwarf irregular galaxies
Creator: Reginald J. Dufour
Keywords: 03 medical and health sciences, 0302 clinical medicine, 0103 physical sciences, 01 natural sciences

descriptionPublicationkeyboard_double_arrow_right Article 01 Oct 1986 English Publisher:IOP PublishingJournal:Publications of the Astronomical Society of the Pacific, volume 98, page 1,025 (issn: 0004-6280, eissn: 1538-3873,

Authors: Reginald J. Dufour;

doi: 10.1086/131867

Abundances in dwarf irregular galaxies

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Abstract

The results of abundance studies of dwarf irregular galaxies and similar objects are reviewed with special attention to variations in the CNO element group. Observations of the forbidden N II and semiforbidden C III lines in the most metal-poor galaxy known, IZw 18, are presented for the first time and CNO abundances are derived via a photoionization model and discussed in the context of the abundances found in other metal-poor H II regions and galaxies.

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