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A fundamental metallicity relation for galaxies at z = 0.84-1.47 from HiZELS

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A fundamental metallicity relation for galaxies at z = 0.84-1.47 from HiZELS. / Stott, John; Sobral, David; Bower, Richard; Smail, Ian; Best, Philip N.; Matsuda, Yuichi; Hayashi, Masao; Geach, James E.; Kodama, Tadayuki.

In: Monthly Notices of the Royal Astronomical Society, Vol. 436, No. 2, 12.2013, p. 1130-1141.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Stott, J, Sobral, D, Bower, R, Smail, I, Best, PN, Matsuda, Y, Hayashi, M, Geach, JE & Kodama, T 2013, 'A fundamental metallicity relation for galaxies at z = 0.84-1.47 from HiZELS', Monthly Notices of the Royal Astronomical Society, vol. 436, no. 2, pp. 1130-1141. https://doi.org/10.1093/mnras/stt1641

APA

Stott, J., Sobral, D., Bower, R., Smail, I., Best, P. N., Matsuda, Y., Hayashi, M., Geach, J. E., & Kodama, T. (2013). A fundamental metallicity relation for galaxies at z = 0.84-1.47 from HiZELS. Monthly Notices of the Royal Astronomical Society, 436(2), 1130-1141. https://doi.org/10.1093/mnras/stt1641

Vancouver

Stott J, Sobral D, Bower R, Smail I, Best PN, Matsuda Y et al. A fundamental metallicity relation for galaxies at z = 0.84-1.47 from HiZELS. Monthly Notices of the Royal Astronomical Society. 2013 Dec;436(2):1130-1141. https://doi.org/10.1093/mnras/stt1641

Author

Stott, John ; Sobral, David ; Bower, Richard ; Smail, Ian ; Best, Philip N. ; Matsuda, Yuichi ; Hayashi, Masao ; Geach, James E. ; Kodama, Tadayuki. / A fundamental metallicity relation for galaxies at z = 0.84-1.47 from HiZELS. In: Monthly Notices of the Royal Astronomical Society. 2013 ; Vol. 436, No. 2. pp. 1130-1141.

Bibtex

@article{2e8f7c86afdb4fac93859448f2dd63cc,
title = "A fundamental metallicity relation for galaxies at z = 0.84-1.47 from HiZELS",
abstract = "We obtained Subaru FMOS observations of Hα emitting galaxies selected from the HiZELS, to investigate the relationship between stellarmass, metallicity and star formation rate (SFR) at z = 0.84-1.47, for comparison with the fundamental metallicity relation seen at low redshift. Our findings demonstrate, for the first time with a homogeneously selected sample, that a relationship exists for typical star-forming galaxies at z ~ 1-1.5 and that it is surprisingly similar to that seen locally. Therefore, star-forming galaxies at z ~ 1-1.5 are no less metal abundant than galaxies of similar mass and SFR at z ~ 0.1, contrary to claims from some earlier studies.We conclude that the bulk of the metal enrichment for this star-forming galaxy population takes place in the 4 Gyr before z ~ 1.5. We fit a new mass-metallicity-SFR plane to our data which is consistent with other high-redshift studies. However, there is some evidence that the mass-metallicity component of this high-redshift plane is flattened, at all SFR, compared with z ~ 0.1, suggesting that processes such as star formation-driven winds, thought to remove enriched gas from low-mass haloes, are yet to have as large an impact at this early epoch. The negative slope of the SFR-metallicity relation from this new plane is consistent with the picture that the elevation in the SFR of typical galaxies at z≳ 1 is fuelled by the inflow of metal-poor gas and not major merging.",
keywords = "Galaxies:abundances, Galaxies:evolution, Galaxies:star formation",
author = "John Stott and David Sobral and Richard Bower and Ian Smail and Best, {Philip N.} and Yuichi Matsuda and Masao Hayashi and Geach, {James E.} and Tadayuki Kodama",
year = "2013",
month = dec,
doi = "10.1093/mnras/stt1641",
language = "English",
volume = "436",
pages = "1130--1141",
journal = "Monthly Notices of the Royal Astronomical Society",
issn = "0035-8711",
publisher = "OXFORD UNIV PRESS",
number = "2",

}

RIS

TY - JOUR

T1 - A fundamental metallicity relation for galaxies at z = 0.84-1.47 from HiZELS

AU - Stott, John

AU - Sobral, David

AU - Bower, Richard

AU - Smail, Ian

AU - Best, Philip N.

AU - Matsuda, Yuichi

AU - Hayashi, Masao

AU - Geach, James E.

AU - Kodama, Tadayuki

PY - 2013/12

Y1 - 2013/12

N2 - We obtained Subaru FMOS observations of Hα emitting galaxies selected from the HiZELS, to investigate the relationship between stellarmass, metallicity and star formation rate (SFR) at z = 0.84-1.47, for comparison with the fundamental metallicity relation seen at low redshift. Our findings demonstrate, for the first time with a homogeneously selected sample, that a relationship exists for typical star-forming galaxies at z ~ 1-1.5 and that it is surprisingly similar to that seen locally. Therefore, star-forming galaxies at z ~ 1-1.5 are no less metal abundant than galaxies of similar mass and SFR at z ~ 0.1, contrary to claims from some earlier studies.We conclude that the bulk of the metal enrichment for this star-forming galaxy population takes place in the 4 Gyr before z ~ 1.5. We fit a new mass-metallicity-SFR plane to our data which is consistent with other high-redshift studies. However, there is some evidence that the mass-metallicity component of this high-redshift plane is flattened, at all SFR, compared with z ~ 0.1, suggesting that processes such as star formation-driven winds, thought to remove enriched gas from low-mass haloes, are yet to have as large an impact at this early epoch. The negative slope of the SFR-metallicity relation from this new plane is consistent with the picture that the elevation in the SFR of typical galaxies at z≳ 1 is fuelled by the inflow of metal-poor gas and not major merging.

AB - We obtained Subaru FMOS observations of Hα emitting galaxies selected from the HiZELS, to investigate the relationship between stellarmass, metallicity and star formation rate (SFR) at z = 0.84-1.47, for comparison with the fundamental metallicity relation seen at low redshift. Our findings demonstrate, for the first time with a homogeneously selected sample, that a relationship exists for typical star-forming galaxies at z ~ 1-1.5 and that it is surprisingly similar to that seen locally. Therefore, star-forming galaxies at z ~ 1-1.5 are no less metal abundant than galaxies of similar mass and SFR at z ~ 0.1, contrary to claims from some earlier studies.We conclude that the bulk of the metal enrichment for this star-forming galaxy population takes place in the 4 Gyr before z ~ 1.5. We fit a new mass-metallicity-SFR plane to our data which is consistent with other high-redshift studies. However, there is some evidence that the mass-metallicity component of this high-redshift plane is flattened, at all SFR, compared with z ~ 0.1, suggesting that processes such as star formation-driven winds, thought to remove enriched gas from low-mass haloes, are yet to have as large an impact at this early epoch. The negative slope of the SFR-metallicity relation from this new plane is consistent with the picture that the elevation in the SFR of typical galaxies at z≳ 1 is fuelled by the inflow of metal-poor gas and not major merging.

KW - Galaxies:abundances

KW - Galaxies:evolution

KW - Galaxies:star formation

U2 - 10.1093/mnras/stt1641

DO - 10.1093/mnras/stt1641

M3 - Journal article

AN - SCOPUS:84888044803

VL - 436

SP - 1130

EP - 1141

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

SN - 0035-8711

IS - 2

ER -