Chemical Properties of Star-Forming Emission Line Galaxies at z=0.1 - 0.5

Details Chemical Properties of Star-Forming Emission Line Galaxies at z=0.1 - 0.5 Chemical Properties of Star-Forming Emission Line Galaxies at z=0.1 - 0.5

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aas...193.0307k&link_type=abstract

American Astronomical Society, 193rd AAS Meeting, #03.07; Bulletin of the American Astronomical Society, Vol. 30, p.1247

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Scientific paper

We measure oxygen and nitrogen abundances for 14 star-forming emission line galaxies (ELGs) at 0.11 -1.4 like local spirals. These chemical properties are inconsistent with unevolved objects undergoing a first burst of star formation. The majority of the ELGs are presently ~ 4 magnitudes brighter and ~ 0.5 dex more metal-rich than the bulk of the stars in well-known metal-poor dwarf spheroidals such as NGC 205 and NGC 185, making an evolution between some ELGs and metal-poor dwarf spheroidals improbable. However, the data are consistent with the hypothesis that more luminous and metal-rich spheroidal galaxies like NGC 3605 may become the evolutionary endpoints of some ELGs.

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