The Subaru FMOS Galaxy Redshift Survey (FastSound). III. The mass-metallicity relation and the fundamental metallicity relation at $z\sim1.4$

Kiyoto Yabe,Kouji Ohta,Masayuki Akiyama,Andrew J Bunker,Gavin Dalton,Richard S Ellis,Karl Glazebrook,Tomotsugu Goto,Masatoshi Imanishi,Fumihide Iwamuro,Hiroyuki Okada,Ikkoh Shimizu,Naruhisa Takato,Naoyuki Tamura,Motonari Tonegawa,Tomonori Totani

Publications of the Astronomical Society of Japan（2015）

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摘要

We present the results from a large near-infrared spectroscopic survey made with Subaru/FMOS (FastSound) consisting of ∼ 4000 galaxies at z ∼ 1.4 with significant Hα detection. We measure the gas-phase metallicity from the [N II]λ6583/Hα emission line ratio of the composite spectra in various stellar mass and star-formation rate bins. The resulting mass–metallicity relation generally agrees with p...

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关键词

galaxies: abundances,galaxies: evolution,galaxies: high-redshift,galaxies: ISM

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