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During the last three decades, many papers have reported the existence of a luminosity-metallicity or mass-metallicity (M-Z) relation for all kinds of galaxies: The more massive galaxies are also the ones with more metal-rich interstellar…

Cosmology and Nongalactic Astrophysics · Physics 2019-08-15 N. Vale Asari , G. Stasinska , R. Cid Fernandes , J. M. Gomes , M. Schlickmann , A. Mateus , W. Schoenell

We have obtained the mass-metallicity (M-Z) relation at different lookback times for the same set of galaxies from the Sloan Digital Sky Survey, using the stellar metallicities estimated with our spectral synthesis code STARLIGHT. We have…

Astrophysics of Galaxies · Physics 2019-08-15 N. Vale Asari , G. Stasinska , R. Cid Fernandes , J. M. Gomes , M. Schlickmann , A. Mateus , W. Schoenell

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 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…

The chemical composition of the gas in galaxies versus cosmic time provides a very important tool for understanding galaxy evolution. Although there are many studies at high redshift, they are rather scarce at lower redshifts. However, low…

Cosmology and Nongalactic Astrophysics · Physics 2011-03-28 M. A. Lara-Lopez , J. Cepa , A. Bongiovanni , A. M. Perez Garcia , H. Castaneda , M. Fernandez Lorenzo , M. Povic , M. Sanchez-Portal

We investigate the mass-metallicity relationship of star forming galaxies by analysing the absorption line spectra of $\sim$200,000 galaxies in the Sloan Digital Sky Survey. The galaxy spectra are stacked in bins of stellar mass and a…

Astrophysics of Galaxies · Physics 2023-06-07 Eva Sextl , Rolf-Peter Kudritzki , H. Jabran Zahid , I-Ting Ho

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 calculate the stellar mass-metallicity relation at five epochs ranging to z~2.3. We quantify evolution in the shape of the mass-metallicity relation as a function of redshift; the mass-metallicity relation flattens at late times. There…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-15 H. Jabran Zahid , Margaret Geller , Lisa Kewley , Ho Seong Hwang , Daniel Fabricant , Michael Kurtz

The stellar populations of intermediate-redshift galaxies can shed light onto the growth of massive galaxies in the last 8 billion years. We perform deep, multi-object rest-frame optical spectroscopy with IMACS/Magellan of ~70 galaxies in…

Astrophysics of Galaxies · Physics 2015-06-19 A. Gallazzi , E. F. Bell , S. Zibetti , J. Brinchmann , D. D. Kelson

Metallicity appears to be one the most important tool to study formation and evolution of galaxies. Recently, we have shown that metallicity of local galaxies is tightly related not only to stellar mass, but also to star formation rate…

Cosmology and Nongalactic Astrophysics · Physics 2010-11-02 F. Mannucci , G. Cresci

Metallicity is one of the crucial factors that determine stellar evolution. To characterize the properties of stellar populations one needs to know the fraction of stars forming at different metallicities. Knowing how this fraction evolves…

Astrophysics of Galaxies · Physics 2019-07-29 Martyna Chruslinska , Gijs Nelemans

Evolution of galaxies through cosmic time has been widely studied at high redshift, but there are a few studies in this field at lower redshifts. However, low-redshifts studies will provide important clues to the evolution of galaxies,…

We analyse the evolutionary history of galaxies formed in a hierarchical scenario consistent with the concordance $\Lambda$-CDM model focusing on the study of the relation between their chemical and dynamical properties. Our simulations…

Astrophysics · Physics 2008-11-26 Maria E. De Rossi , Patricia B. Tissera , Cecilia Scannapieco

We investigate the relation between stellar mass ($M_\star$), star formation rate (SFR), and metallicity ($Z$) of galaxies, so called the fundamental metallicity relation, in the galaxy sample of the Sloan Digital Sky Survey Data Release 7.…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 Yuu Niino

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…

Recent work suggests that galaxy evolution, and the build-up of stellar mass (M*) over cosmic time, is characterized by changes with redshift of star formation rate (SFR) and oxygen abundance (O/H). In a companion paper, we have compiled a…

Astrophysics of Galaxies · Physics 2016-08-31 Leslie Hunt , Pratika Dayal , Laura Magrini , Andrea Ferrara

We study the evolution of the Stellar Mass-Metallicity Relation and the Luminosity-Metallicity Relation by performing numerical simulations in a cosmological framework. We find that the slope and the zero point of the Luminosity-Metallicity…

Astrophysics · Physics 2007-05-23 Maria Emilia De Rossi , Patricia Beatriz Tissera , Cecilia Scannapieco

We examine the mass-metallicity relation for $z\lesssim 1.6$. The mass-metallicity relation follows a steep slope with a turnover or `knee' at stellar masses around $10^{10} M_\odot$. At stellar masses higher than the characteristic…

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 investigate archaeologically how the metallicity in both stellar and gaseous components of spiral galaxies of differing masses evolve with time, using data from the SDSS-IV MaNGA survey. For the stellar component, we can measure this…

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