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We utilize Sloan Digital Sky Survey imaging and spectroscopy of ~53,000 star-forming galaxies at z~0.1 to study the relation between stellar mass and gas-phase metallicity. We derive gas-phase oxygen abundances and stellar masses using new…

We present results from deep Spitzer/Infrared Array Camera (IRAC) observations of 28 metal-poor, strongly star-forming galaxies selected from the DEEP2 Galaxy Survey. By modelling infrared and optical photometry, we derive stellar masses…

Astrophysics of Galaxies · Physics 2020-01-08 Andrew Weldon , Chun Ly , Michael Cooper

We measure the gas-phase oxygen abundances of ~3000 star-forming galaxies at z=0.05-0.75 using optical spectrophotometry from the AGN and Galaxy Evolution Survey (AGES), a spectroscopic survey of I_AB<20.45 galaxies over 7.9 deg^2 in the…

We investigate the relationships between stellar mass, gas-phase oxygen abundance (metallicity), star formation rate, and dust content of star-forming galaxies at z$\sim$1.6 using Subaru/FMOS spectroscopy in the COSMOS field. The…

We present abundance measurements from 26 emission-line selected galaxies at z~0.6-0.7. By reaching stellar masses as low as 10^8 M_{\sun}, these observations provide the first measurement of the intermediate redshift mass-metallicity (MZ)…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-15 Alaina Henry , Crystal L. Martin , Kristian Finlator , Alan Dressler

We present a sample of 86,111 star-forming galaxies (SFGs) selected from the catalogue of the MPA-JHU emission-line measurements for SDSS DR7 to investigate the evolution of mass-metallicity (MZ) relation. We find that: under the $\rm…

Astrophysics of Galaxies · Physics 2019-05-08 Yu-Zhong Wu , Wei Zhang , Yong-Heng Zhao

We measure the relationship between stellar mass and stellar metallicity, the stellar mass--metallicity relation (MZR), for 1336 star-forming galaxies at $1.6\le z\le3.0$ (<z>=2.2) using rest-frame far-ultraviolet spectra from the…

We obtained Subaru FMOS observations of Halpha emitting galaxies selected from the HiZELS narrow-band survey, to investigate the relationship between stellar mass, metallicity and star-formation rate at z = 0.84 - 1.47, for comparison with…

Cosmology and Nongalactic Astrophysics · Physics 2013-09-27 John P. Stott , David Sobral , Richard Bower , Ian Smail , Philip N. Best , Yuichi Matsuda , Masao Hayashi , James E. Geach , Tadayuki Kodama

We present an analysis of the chemical abundance properties of $\approx$650 star-forming galaxies at $z \approx0.6-1.8$. Using integral-field observations from the $K$-band Multi-Object Spectrograph (KMOS), we quantify the [NII]/H$\alpha$…

The stellar mass-metallicity relation ($M_* - Z$, MZR) indicates that the metallicities of galaxies increase with increasing stellar masses. The fundamental metallicity relation (FMR) suggests that the galaxies with higher star formation…

Astrophysics of Galaxies · Physics 2018-12-12 Yulong Gao , Min Bao , Qirong Yuan , Xu Kong , Hu Zou , Xu Zhou , Yizhou Gu , Zesen Lin , Zhixiong Liang , Chi Huang

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…

We used near-infrared integral field spectroscopic observations from the AMAZE and LSD programs to constrain the metallicity in a sample of 40 star forming galaxies at 3<z<5 (most of which at z~3.4). We measure metallicities by exploiting…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-17 P. Troncoso , R. Maiolino , V. Sommariva , G. Cresci , F. Mannucci , A. Marconi , M. Meneghetti , A. Grazian , A. Cimatti , A. Fontana , T. Nagao , L. Pentericci

We present a comprehensive observational study of the gas phase metallicity of star-forming galaxies from z ~ 0 -> 3. We combine our new sample of gravitationally lensed galaxies with existing lensed and non-lensed samples to conduct a…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 T. -T. Yuan , L. J. Kewley , J. Richard

We study relations between stellar mass, star formation and gas-phase metallicity in a sample of 177,071 unique emission line galaxies from the SDSS-DR7, as well as in a sample of 43,767 star forming galaxies at z=0 from the cosmological…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 Robert M. Yates , Guinevere Kauffmann , Qi Guo

We present an integrated study of star formation and galactic stellar mass assembly from z=0.05-1.5 and galactic metallicity evolution from z=0.05-0.9 using a very large and highly spectroscopically complete sample selected by rest-frame…

Astrophysics · Physics 2011-02-16 L. L. Cowie , A. J. Barger

In this investigation we quantify the metallicities of low mass galaxies by constructing the most comprehensive census to date. We use galaxies from the SDSS and DEEP2 survey and estimate metallicities from their optical emission lines. We…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 H. J. Zahid , F. Bresolin , L. J. Kewley , A. L. Coil , R. Davé

We use a sample of 87 rest-frame UV-selected star-forming galaxies with mean spectroscopic redshift z=2.26 to study the correlation between metallicity and stellar mass at high redshift. Using stellar masses determined from SED fitting to…

This work aims to provide a first insight into the mass-metallicity (MZ) relation of star-forming galaxies at redshift z~1.4. To reach this goal, we present a first set of nine VVDS galaxies observed with the NIR integral-field spectrograph…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 J. Queyrel , T. Contini , E. Perez-Montero , B. Garilli , O. Le Fevre , M. Kissler-Patig , B. Epinat , D. Vergani , L. Tresse , P. Amram , M. Lemoine-Busserolle

We study the metallicity properties of galaxies in the zCOSMOS sample between 0.2<z<0.8. At z<0.46, where Ha and [NII] are detected, we find the same dependence of metallicity on stellar mass and Star Formation Rate (SFR), the Fundamental…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-30 Giovanni Cresci , Filippo Mannucci , Veronica Sommariva , Roberto Maiolino , Alessandro Marconi , Marcella Brusa

The spectra of emission-line galaxies (ELGs) from the extended Baryon Oscillation Spectroscopic Survey (eBOSS) of the Sloan Digit Sky Survey (SDSS) are used to study the mass-metallicity relation (MZR) at $z\sim0.8$. The selected sample…

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