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Related papers: On the relation between sSFR and metallicity

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Context. One of the most fundamental scaling relations in galaxies is observed between metallicity and stellar mass -- the mass-metallicity relation (MZR) -- although recently a stronger dependence of the gas-phase metallicity with the…

Scaling relations of metallicity (O/H), star formation rate (SFR), and stellar mass give important insight on galaxy evolution. They are obeyed by most galaxies in the Local Universe and also at high redshift. In a companion paper, we…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 Laura Magrini , Leslie Hunt , Daniele Galli , Raffaella Schneider , Simone Bianchi , Roberto Maiolino , Donatella Romano , Monica Tosi , Rosa Valiante

We derive data of 4615 star-forming early-type galaxies (ETGs), which come from cross-match of the $Galaxy~Zoo~1$ and the catalogue of the MPA-JHU emission-line measurements for the Sloan Digital Sky Survey Data Release 7. Our sample…

Astrophysics of Galaxies · Physics 2021-12-20 Wu Yuzhong , Zhang Wei

The fundamental metallicity relation (FMR) states that galaxies of the same stellar mass but larger star formation rate (SFR) tend to have smaller gas-phase metallicity (<Zg>). It is thought to be fundamental because it naturally arises…

Astrophysics of Galaxies · Physics 2019-06-12 J. Sanchez Almeida , L. Sanchez-Menguiano

We report on the discovery of 28 $z\approx0.8$ metal-poor galaxies in DEEP2. These galaxies were selected for their detection of the weak [OIII]$\lambda$4363 emission line, which provides a "direct" measure of the gas-phase metallicity. A…

Astrophysics of Galaxies · Physics 2015-05-27 Chun Ly , Jane Rigby , Michael Cooper , Renbin Yan

Simulations indicate that the inflow of gas of star-forming galaxies is almost co-planar and co-rotating with the gas disk, and that the outflow of gas driven by stellar winds and/or supernova explosions is preferentially perpendicular to…

Astrophysics of Galaxies · Physics 2022-04-27 Enci Wang , Simon J. Lilly

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

In the local universe, there is good evidence that, at a given stellar mass M, the gas-phase metallicity Z is anti-correlated with the star formation rate (SFR) of the galaxies. It has also been claimed that the resulting Z(M,SFR) relation…

Astrophysics of Galaxies · Physics 2014-08-26 C. Maier , S. J. Lilly , B. Ziegler , T. Contini , E. Perez Montero , Y. Peng , I. Balestra

We describe an equilibrium model that links the metallicity of low-redshift galaxies to stellar evolution models. It enables the testing of different stellar initial mass functions and metal yields against observed galaxy metallicities. We…

Astrophysics of Galaxies · Physics 2015-06-23 Martin Harwit , Drew Brisbin

We present results on the z~2.3 mass-metallicity relation (MZR) using early observations from the MOSFIRE Deep Evolution Field (MOSDEF) survey. We use an initial sample of 87 star-forming galaxies with spectroscopic coverage of H\beta,…

We investigate the evolution of the mass-metallicity (MZ) relation with a large sample of 53,444 star-forming galaxies (SFGs) at $0.04<z<0.12$, selected from the catalog of MPA-JHU emission-line measurements for the Sloan Digital Sky Survey…

Astrophysics of Galaxies · Physics 2016-02-24 Yu-Zhong Wu , Shuang-Nan Zhang , Yong-Heng Zhao , Wei Zhang

Working with 108,786 Sloan Digital Sky Survey low redshift galaxies we have examined the relation between galaxy mass, metallicity, radius, and star formation rates primarily in the central portions of galaxies. We subdivided the redshift…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-30 Drew Brisbin , Martin Harwit

The role of gas accretion in galaxy evolution is still a matter of debate. The presence of inflows of metal-poor gas that trigger star formation bursts of low metallicity has been proposed as an explanation for the local anti-correlation…

The empirical anti-correlation between gas-phase metallicity and star formation rate (SFR) at a fixed stellar mass, known as the fundamental metallicity relation (FMR), is commonly interpreted as an equilibrium state in the interplay…

Astrophysics of Galaxies · Physics 2025-04-15 Danial Langeroodi , Jens Hjorth

We present star formation rates (SFR), the mass-metallicity relation (MZR), and the SFR-dependent MZR across redshifts 4 to 10 using 81 star-forming galaxies observed by the JWST NIRSpec employing both low-resolution PRISM and…

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 results from SPH-cosmological simulations, including self-consistent modelling of SN feedback and chemical evolution, of galaxies belonging to two clusters and twelve groups. We reproduce the mass-metallicity (ZM) relation of…

Cosmology and Nongalactic Astrophysics · Physics 2014-09-08 A. D. Romeo Velonà , J. Sommer-Larsen , N. R. Napolitano , V. Antonuccio-Delogu , S. Cielo , I. Gavignaud

Infrared (IR) dust emission from galaxies is frequently used as an indicator of star formation rate (SFR). However, the effect of the dust-to-gas ratio (i.e., amount of the dust) on the conversion law from IR luminosity to SFR has not so…

Astrophysics · Physics 2009-10-31 H. Hirashita , A. K. Inoue , H. Kamaya , H. Shibai

We develop a simple analytical model that tracks galactic metallicities governed by star formation and feedback to gain insight from the observed galaxy stellar mass-metallicity relations over a large range of stellar masses and redshifts.…

Astrophysics of Galaxies · Physics 2015-08-06 Yu Lu , Guillermo A. Blanc , Andrew Benson