First light and reionization epoch simulations (FLARES) X iii: the lyman-continuum emission of high-redshift galaxies

Louise T.C. Seeyave; Stephen M. Wilkins; Jussi K. Kuusisto; Christopher C. Lovell; Dimitrios Irodotou; Charlotte Simmonds; Aswin P. Vijayan; Peter A. Thomas; William J. Roper; Conor M. Byrne; Gareth T. Jones; Jack C. Turner; Christopher J. Conselice

doi:10.1093/mnras/stad2487

First light and reionization epoch simulations (FLARES) X iii: the lyman-continuum emission of high-redshift galaxies

Louise T.C. Seeyave^*, Stephen M. Wilkins, Jussi K. Kuusisto, Christopher C. Lovell, Dimitrios Irodotou, Charlotte Simmonds, Aswin P. Vijayan, Peter A. Thomas, William J. Roper, Conor M. Byrne, Gareth T. Jones, Jack C. Turner, Christopher J. Conselice

^*Corresponding author for this work

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Abstract

The history of reionization is highly dependent on the ionizing properties of high-redshift galaxies. It is therefore important to have a solid understanding of how the ionizing properties of galaxies are linked to physical and observable quantities. In this paper, we use the First Light and Reionization Epoch Simulations (Flares) to study the Lyman-continuum (LyC, i.e. hydrogen-ionizing) emission of massive (⁠M∗>10⁸M⊙⁠) galaxies at redshifts z = 5 − 10. We find that the specific ionizing emissivity (i.e. intrinsic ionizing emissivity per unit stellar mass) decreases as stellar mass increases, due to the combined effects of increasing age and metallicity.

Original language	English
Journal	Monthly Notices of the Royal Astronomical Society
Volume	525
Issue number	2
Pages (from-to)	2422-2440
ISSN	0035-8711
DOIs	https://doi.org/10.1093/mnras/stad2487
Publication status	Published - 2023

Keywords

Dark ages, reionization, first stars
Galaxies: evolution
Galaxies: formation
Galaxies: high-redshift
Methods: numerical

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Seeyave, L. T. C., Wilkins, S. M., Kuusisto, J. K., Lovell, C. C., Irodotou, D., Simmonds, C., Vijayan, A. P., Thomas, P. A., Roper, W. J., Byrne, C. M., Jones, G. T., Turner, J. C., & Conselice, C. J. (2023). First light and reionization epoch simulations (FLARES) X iii: the lyman-continuum emission of high-redshift galaxies. Monthly Notices of the Royal Astronomical Society, 525(2), 2422-2440. https://doi.org/10.1093/mnras/stad2487

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title = "First light and reionization epoch simulations (FLARES) X iii: the lyman-continuum emission of high-redshift galaxies",

abstract = "The history of reionization is highly dependent on the ionizing properties of high-redshift galaxies. It is therefore important to have a solid understanding of how the ionizing properties of galaxies are linked to physical and observable quantities. In this paper, we use the First Light and Reionization Epoch Simulations (Flares) to study the Lyman-continuum (LyC, i.e. hydrogen-ionizing) emission of massive (⁠M∗>108M⊙⁠) galaxies at redshifts z = 5 − 10. We find that the specific ionizing emissivity (i.e. intrinsic ionizing emissivity per unit stellar mass) decreases as stellar mass increases, due to the combined effects of increasing age and metallicity. ",

keywords = "Dark ages, reionization, first stars, Galaxies: evolution, Galaxies: formation, Galaxies: high-redshift, Methods: numerical",

author = "Seeyave, {Louise T.C.} and Wilkins, {Stephen M.} and Kuusisto, {Jussi K.} and Lovell, {Christopher C.} and Dimitrios Irodotou and Charlotte Simmonds and Vijayan, {Aswin P.} and Thomas, {Peter A.} and Roper, {William J.} and Byrne, {Conor M.} and Jones, {Gareth T.} and Turner, {Jack C.} and Conselice, {Christopher J.}",

note = "Publisher Copyright: {\textcopyright} 2023 The Author(s). Published by Oxford University Press on behalf of Royal Astronomical Society.",

year = "2023",

doi = "10.1093/mnras/stad2487",

language = "English",

volume = "525",

pages = "2422--2440",

journal = "Monthly Notices of the Royal Astronomical Society",

issn = "0035-8711",

publisher = "Oxford University Press",

number = "2",

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Seeyave, LTC, Wilkins, SM, Kuusisto, JK, Lovell, CC, Irodotou, D, Simmonds, C, Vijayan, AP, Thomas, PA, Roper, WJ, Byrne, CM, Jones, GT, Turner, JC & Conselice, CJ 2023, 'First light and reionization epoch simulations (FLARES) X iii: the lyman-continuum emission of high-redshift galaxies', Monthly Notices of the Royal Astronomical Society, vol. 525, no. 2, pp. 2422-2440. https://doi.org/10.1093/mnras/stad2487

First light and reionization epoch simulations (FLARES) X iii: the lyman-continuum emission of high-redshift galaxies. / Seeyave, Louise T.C.; Wilkins, Stephen M.; Kuusisto, Jussi K. et al.
In: Monthly Notices of the Royal Astronomical Society, Vol. 525, No. 2, 2023, p. 2422-2440.

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

TY - JOUR

T1 - First light and reionization epoch simulations (FLARES) X iii

T2 - the lyman-continuum emission of high-redshift galaxies

AU - Seeyave, Louise T.C.

AU - Wilkins, Stephen M.

AU - Kuusisto, Jussi K.

AU - Lovell, Christopher C.

AU - Irodotou, Dimitrios

AU - Simmonds, Charlotte

AU - Vijayan, Aswin P.

AU - Thomas, Peter A.

AU - Roper, William J.

AU - Byrne, Conor M.

AU - Jones, Gareth T.

AU - Turner, Jack C.

AU - Conselice, Christopher J.

PY - 2023

Y1 - 2023

N2 - The history of reionization is highly dependent on the ionizing properties of high-redshift galaxies. It is therefore important to have a solid understanding of how the ionizing properties of galaxies are linked to physical and observable quantities. In this paper, we use the First Light and Reionization Epoch Simulations (Flares) to study the Lyman-continuum (LyC, i.e. hydrogen-ionizing) emission of massive (⁠M∗>108M⊙⁠) galaxies at redshifts z = 5 − 10. We find that the specific ionizing emissivity (i.e. intrinsic ionizing emissivity per unit stellar mass) decreases as stellar mass increases, due to the combined effects of increasing age and metallicity.

AB - The history of reionization is highly dependent on the ionizing properties of high-redshift galaxies. It is therefore important to have a solid understanding of how the ionizing properties of galaxies are linked to physical and observable quantities. In this paper, we use the First Light and Reionization Epoch Simulations (Flares) to study the Lyman-continuum (LyC, i.e. hydrogen-ionizing) emission of massive (⁠M∗>108M⊙⁠) galaxies at redshifts z = 5 − 10. We find that the specific ionizing emissivity (i.e. intrinsic ionizing emissivity per unit stellar mass) decreases as stellar mass increases, due to the combined effects of increasing age and metallicity.

KW - Dark ages, reionization, first stars

KW - Galaxies: evolution

KW - Galaxies: formation

KW - Galaxies: high-redshift

KW - Methods: numerical

U2 - 10.1093/mnras/stad2487

DO - 10.1093/mnras/stad2487

M3 - Journal article

AN - SCOPUS:85171188743

SN - 0035-8711

VL - 525

SP - 2422

EP - 2440

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

IS - 2

ER -

First light and reionization epoch simulations (FLARES) X iii: the lyman-continuum emission of high-redshift galaxies

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