NDLI: LSD and AMAZE: the mass-metallicity relation at z

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LSD and AMAZE: the mass-metallicity relation at z > 3

Content Provider	Scilit
Author	Mannucci, F. Maiolino, R.
Copyright Year	2008
Description	We present the first results on galaxy metallicity evolution at z > 3 from two projects, LSD (Lyman-break galaxies Stellar populations and Dynamics) and AMAZE (Assessing the Mass Abundance redshift Evolution). These projects use deep near-infrared spectroscopic observations of a sample of ~40 LBGs to estimate the gas-phase metallicity from the emission lines. We derive the mass-metallicity relation at z > 3 and compare it with the same relation at lower redshift. Strong evolution from z = 0 and z = 2 to z = 3 is observed, and this finding puts strong constraints on the models of galaxy evolution. These preliminary results show that the effective oxygen yields do not increase with stellar mass, implying that the simple outflow model does not apply at z > 3.
Related Links	https://www.cambridge.org/core/services/aop-cambridge-core/content/view/B6D8FE7F74C8C7B5A32ADE17D1330339/S1743921308024654a.pdf/div-class-title-lsd-and-amaze-the-mass-metallicity-relation-at-z-andgt-3-div.pdf
Ending Page	110
Page Count	5
Starting Page	106
ISSN	17439213
e-ISSN	17439221
DOI	10.1017/s1743921308024654
Journal	Proceedings of the International Astronomical Union
Issue Number	S255
Volume Number	4
Language	English
Publisher	Cambridge University Press (CUP)
Publisher Date	2008-06-01
Access Restriction	Open
Subject Keyword	Proceedings of the International Astronomical Union Astronomy and Astrophysics Abundances Formation redshift Starburst
Content Type	Text
Resource Type	Article
Subject	Astronomy and Astrophysics Space and Planetary Science

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