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The X-ray and radio activity of typical and luminous Lya emitters from z~2 to z~6: Evidence for a diverse, evolving population

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The X-ray and radio activity of typical and luminous Lya emitters from z~2 to z~6: Evidence for a diverse, evolving population. / Calhau, João; Sobral, David; Santos, Sérgio; Matthee, Jorryt; Paulino-Afonso, Ana; Stroe, Andra; Simmons, Brooke; Barlow-Hall, Cassandra.

In: Monthly Notices of the Royal Astronomical Society, Vol. 493, No. 3, 01.04.2020, p. 3341-3362.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Calhau, J, Sobral, D, Santos, S, Matthee, J, Paulino-Afonso, A, Stroe, A, Simmons, B & Barlow-Hall, C 2020, 'The X-ray and radio activity of typical and luminous Lya emitters from z~2 to z~6: Evidence for a diverse, evolving population', Monthly Notices of the Royal Astronomical Society, vol. 493, no. 3, pp. 3341-3362. https://doi.org/10.1093/mnras/staa476

APA

Calhau, J., Sobral, D., Santos, S., Matthee, J., Paulino-Afonso, A., Stroe, A., Simmons, B., & Barlow-Hall, C. (2020). The X-ray and radio activity of typical and luminous Lya emitters from z~2 to z~6: Evidence for a diverse, evolving population. Monthly Notices of the Royal Astronomical Society, 493(3), 3341-3362. https://doi.org/10.1093/mnras/staa476

Vancouver

Calhau J, Sobral D, Santos S, Matthee J, Paulino-Afonso A, Stroe A et al. The X-ray and radio activity of typical and luminous Lya emitters from z~2 to z~6: Evidence for a diverse, evolving population. Monthly Notices of the Royal Astronomical Society. 2020 Apr 1;493(3):3341-3362. https://doi.org/10.1093/mnras/staa476

Author

Calhau, João ; Sobral, David ; Santos, Sérgio ; Matthee, Jorryt ; Paulino-Afonso, Ana ; Stroe, Andra ; Simmons, Brooke ; Barlow-Hall, Cassandra. / The X-ray and radio activity of typical and luminous Lya emitters from z~2 to z~6: Evidence for a diverse, evolving population. In: Monthly Notices of the Royal Astronomical Society. 2020 ; Vol. 493, No. 3. pp. 3341-3362.

Bibtex

@article{91b311c6ca77459a9c05cadb5cc90ea1,
title = "The X-ray and radio activity of typical and luminous Lya emitters from z~2 to z~6: Evidence for a diverse, evolving population",
abstract = " Despite recent progress in understanding Lyman-alpha (Lya) emitters (LAEs), relatively little is known regarding their typical black hole activity across cosmic time. Here, we study the X-ray and radio properties of ~4000 LAEs at 2.23) and find an average luminosity of 10^{44.07+-0.01} erg/s and an average black hole accretion rate (BHAR) of 0.42+-0.01 Msun/yr, consistent with moderate to high accreting AGN. We detect 120 sources in deep radio data, implying a LAE radio AGN fraction of 3.2+-0.3%. Approximately half of the LAEs detected in the radio are also detected in the X-rays, resulting in a total AGN fraction of 8.6+-0.4% for >L* LAEs. The total AGN fraction rises with Lya luminosity and declines with increasing redshift. For AGN, we find that Lya luminosities correlate with the BHARs, suggesting that Lya luminosity becomes an accretion rate indicator. Most LAEs (93.1+-0.6%) at 2",
keywords = "astro-ph.GA, astro-ph.HE",
author = "Jo{\~a}o Calhau and David Sobral and S{\'e}rgio Santos and Jorryt Matthee and Ana Paulino-Afonso and Andra Stroe and Brooke Simmons and Cassandra Barlow-Hall",
year = "2020",
month = apr,
day = "1",
doi = "10.1093/mnras/staa476",
language = "English",
volume = "493",
pages = "3341--3362",
journal = "Monthly Notices of the Royal Astronomical Society",
issn = "0035-8711",
publisher = "OXFORD UNIV PRESS",
number = "3",

}

RIS

TY - JOUR

T1 - The X-ray and radio activity of typical and luminous Lya emitters from z~2 to z~6: Evidence for a diverse, evolving population

AU - Calhau, João

AU - Sobral, David

AU - Santos, Sérgio

AU - Matthee, Jorryt

AU - Paulino-Afonso, Ana

AU - Stroe, Andra

AU - Simmons, Brooke

AU - Barlow-Hall, Cassandra

PY - 2020/4/1

Y1 - 2020/4/1

N2 - Despite recent progress in understanding Lyman-alpha (Lya) emitters (LAEs), relatively little is known regarding their typical black hole activity across cosmic time. Here, we study the X-ray and radio properties of ~4000 LAEs at 2.23) and find an average luminosity of 10^{44.07+-0.01} erg/s and an average black hole accretion rate (BHAR) of 0.42+-0.01 Msun/yr, consistent with moderate to high accreting AGN. We detect 120 sources in deep radio data, implying a LAE radio AGN fraction of 3.2+-0.3%. Approximately half of the LAEs detected in the radio are also detected in the X-rays, resulting in a total AGN fraction of 8.6+-0.4% for >L* LAEs. The total AGN fraction rises with Lya luminosity and declines with increasing redshift. For AGN, we find that Lya luminosities correlate with the BHARs, suggesting that Lya luminosity becomes an accretion rate indicator. Most LAEs (93.1+-0.6%) at 2

AB - Despite recent progress in understanding Lyman-alpha (Lya) emitters (LAEs), relatively little is known regarding their typical black hole activity across cosmic time. Here, we study the X-ray and radio properties of ~4000 LAEs at 2.23) and find an average luminosity of 10^{44.07+-0.01} erg/s and an average black hole accretion rate (BHAR) of 0.42+-0.01 Msun/yr, consistent with moderate to high accreting AGN. We detect 120 sources in deep radio data, implying a LAE radio AGN fraction of 3.2+-0.3%. Approximately half of the LAEs detected in the radio are also detected in the X-rays, resulting in a total AGN fraction of 8.6+-0.4% for >L* LAEs. The total AGN fraction rises with Lya luminosity and declines with increasing redshift. For AGN, we find that Lya luminosities correlate with the BHARs, suggesting that Lya luminosity becomes an accretion rate indicator. Most LAEs (93.1+-0.6%) at 2

KW - astro-ph.GA

KW - astro-ph.HE

U2 - 10.1093/mnras/staa476

DO - 10.1093/mnras/staa476

M3 - Journal article

VL - 493

SP - 3341

EP - 3362

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

SN - 0035-8711

IS - 3

ER -