The mass-metallicity relation at z~0.7

S. Savaglio , K. Glazebrook , D. Le Borgne , S. Juneau , R. Abraham , D. Crampton , P. McCarthy , H.-W. Chen

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R. Marzke R. Carlberg I. Jorgensen I. Hook R. Murowinski

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classification 🌌 astro-ph

keywords mass-metallicityrelationsampledeepgalaxiesredshiftsurveycanada-france

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The ISM metallicity and the stellar mass are examined in a sample of 66 galaxies at 0.4<z<1, selected from the Gemini Deep Deep Survey (GDDS) and the Canada-France Redshift Survey (CFRS). We observe a mass-metallicity relation similar to that seen in z~0.1 SDSS galaxies, but displaced towards higher masses and/or lower metallicities. Using this sample, and a small sample of z~2.3 LBGs, a redshift dependent mass-metallicity relation is proposed which describes the observed results.

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The mass-metallicity relation at z~0.7

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