High-redshift damped Ly alpha absorbing ga axy model reproducing the N-HI -Z distribution

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High-redshift damped Ly alpha absorbing ga axy model reproducing the N-HI -Z distribution. / Krogager, Jens-Kristian; Moller, Palle; Christensen, Lise B.; Noterdaeme, Pasquier; Fynbo, Johan P. U.; Freudling, Wolfram.

In: Monthly Notices of the Royal Astronomical Society, Vol. 495, No. 3, 22.05.2020, p. 3014-3021.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Krogager, J-K, Moller, P, Christensen, LB, Noterdaeme, P, Fynbo, JPU & Freudling, W 2020, 'High-redshift damped Ly alpha absorbing ga axy model reproducing the N-HI -Z distribution', Monthly Notices of the Royal Astronomical Society, vol. 495, no. 3, pp. 3014-3021. https://doi.org/10.1093/mnras/staa1414

APA

Krogager, J-K., Moller, P., Christensen, L. B., Noterdaeme, P., Fynbo, J. P. U., & Freudling, W. (2020). High-redshift damped Ly alpha absorbing ga axy model reproducing the N-HI -Z distribution. Monthly Notices of the Royal Astronomical Society, 495(3), 3014-3021. https://doi.org/10.1093/mnras/staa1414

Vancouver

Krogager J-K, Moller P, Christensen LB, Noterdaeme P, Fynbo JPU, Freudling W. High-redshift damped Ly alpha absorbing ga axy model reproducing the N-HI -Z distribution. Monthly Notices of the Royal Astronomical Society. 2020 May 22;495(3):3014-3021. https://doi.org/10.1093/mnras/staa1414

Author

Krogager, Jens-Kristian ; Moller, Palle ; Christensen, Lise B. ; Noterdaeme, Pasquier ; Fynbo, Johan P. U. ; Freudling, Wolfram. / High-redshift damped Ly alpha absorbing ga axy model reproducing the N-HI -Z distribution. In: Monthly Notices of the Royal Astronomical Society. 2020 ; Vol. 495, No. 3. pp. 3014-3021.

Bibtex

@article{0915579cb52d47b5a6822451450f626a,
title = "High-redshift damped Ly alpha absorbing ga axy model reproducing the N-HI -Z distribution",
abstract = "We investigate how damped Lyman alpha absorbers (DLAs) at z similar to 2 - 3, detected in large optical spectroscopic surveys of quasars, trace the population of star-forming galaxies. Building on previous results, we construct a model based on observed and physically motivated scaling relations in order to reproduce the bivariate distributions of metallicity, Z, and H column density, N-HI. Furthermore, the observed impact parameters fOr galaxies associated tti DLAs are in agreement with the model predictions. The model strongly favours a metallieity gradient, which scales with the luminosity of the host galaxy, with a value of gamma* = -0.019 +/- 0,008 dex kpc(-1) for L* galaxies that gets steeper for fainter galaxies. We find that DLAs trace galaxies over a wide range of galaxy luminosities, however, the bulk of the DLA cross-section arises in galaxies with L similar to 0.1 L* at z similar to 2.5 consistent with numerical simulations.",
keywords = "galaxies: high-redshift, quasars: absorption lines, galaxies: statistics, MASS-METALLICITY RELATION, GALAXY LUMINOSITY, STAR-FORMATION, I ABSORBERS, LYMAN, SYSTEMS, EMISSION, DUST, BIAS, SIMULATIONS",
author = "Jens-Kristian Krogager and Palle Moller and Christensen, {Lise B.} and Pasquier Noterdaeme and Fynbo, {Johan P. U.} and Wolfram Freudling",
year = "2020",
month = may,
day = "22",
doi = "10.1093/mnras/staa1414",
language = "English",
volume = "495",
pages = "3014--3021",
journal = "Royal Astronomical Society. Monthly Notices",
issn = "0035-8711",
publisher = "Oxford University Press",
number = "3",

}

RIS

TY - JOUR

T1 - High-redshift damped Ly alpha absorbing ga axy model reproducing the N-HI -Z distribution

AU - Krogager, Jens-Kristian

AU - Moller, Palle

AU - Christensen, Lise B.

AU - Noterdaeme, Pasquier

AU - Fynbo, Johan P. U.

AU - Freudling, Wolfram

PY - 2020/5/22

Y1 - 2020/5/22

N2 - We investigate how damped Lyman alpha absorbers (DLAs) at z similar to 2 - 3, detected in large optical spectroscopic surveys of quasars, trace the population of star-forming galaxies. Building on previous results, we construct a model based on observed and physically motivated scaling relations in order to reproduce the bivariate distributions of metallicity, Z, and H column density, N-HI. Furthermore, the observed impact parameters fOr galaxies associated tti DLAs are in agreement with the model predictions. The model strongly favours a metallieity gradient, which scales with the luminosity of the host galaxy, with a value of gamma* = -0.019 +/- 0,008 dex kpc(-1) for L* galaxies that gets steeper for fainter galaxies. We find that DLAs trace galaxies over a wide range of galaxy luminosities, however, the bulk of the DLA cross-section arises in galaxies with L similar to 0.1 L* at z similar to 2.5 consistent with numerical simulations.

AB - We investigate how damped Lyman alpha absorbers (DLAs) at z similar to 2 - 3, detected in large optical spectroscopic surveys of quasars, trace the population of star-forming galaxies. Building on previous results, we construct a model based on observed and physically motivated scaling relations in order to reproduce the bivariate distributions of metallicity, Z, and H column density, N-HI. Furthermore, the observed impact parameters fOr galaxies associated tti DLAs are in agreement with the model predictions. The model strongly favours a metallieity gradient, which scales with the luminosity of the host galaxy, with a value of gamma* = -0.019 +/- 0,008 dex kpc(-1) for L* galaxies that gets steeper for fainter galaxies. We find that DLAs trace galaxies over a wide range of galaxy luminosities, however, the bulk of the DLA cross-section arises in galaxies with L similar to 0.1 L* at z similar to 2.5 consistent with numerical simulations.

KW - galaxies: high-redshift

KW - quasars: absorption lines

KW - galaxies: statistics

KW - MASS-METALLICITY RELATION

KW - GALAXY LUMINOSITY

KW - STAR-FORMATION

KW - I ABSORBERS

KW - LYMAN

KW - SYSTEMS

KW - EMISSION

KW - DUST

KW - BIAS

KW - SIMULATIONS

U2 - 10.1093/mnras/staa1414

DO - 10.1093/mnras/staa1414

M3 - Journal article

VL - 495

SP - 3014

EP - 3021

JO - Royal Astronomical Society. Monthly Notices

JF - Royal Astronomical Society. Monthly Notices

SN - 0035-8711

IS - 3

ER -

ID: 247027066