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The Radio Galaxy Environment Reference Survey (RAGERS): a submillimetre study of the environments of massive radio-quiet galaxies at z = 1–3

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The Radio Galaxy Environment Reference Survey (RAGERS): a submillimetre study of the environments of massive radio-quiet galaxies at z = 1–3. / Cornish, Thomas; Wardlow, Julie; Greve, T. R. et al.
In: Monthly Notices of the Royal Astronomical Society, Vol. 533, No. 1, 30.09.2024, p. 1032-1044.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Cornish, T, Wardlow, J, Greve, TR, Chapman, SC, Chen, C-C, Dannerbauer, H, Goto, T, Gullberg, B, Ho, L, Jiang, X-J, Lagos, C, Minju, L, Serjeant, S, Shim, H, Smith, DJB, Vijayan, A, Wagg, J & Zhou, D 2024, 'The Radio Galaxy Environment Reference Survey (RAGERS): a submillimetre study of the environments of massive radio-quiet galaxies at z = 1–3', Monthly Notices of the Royal Astronomical Society, vol. 533, no. 1, pp. 1032-1044. https://doi.org/10.1093/mnras/stae1861

APA

Cornish, T., Wardlow, J., Greve, T. R., Chapman, S. C., Chen, C.-C., Dannerbauer, H., Goto, T., Gullberg, B., Ho, L., Jiang, X.-J., Lagos, C., Minju, L., Serjeant, S., Shim, H., Smith, D. J. B., Vijayan, A., Wagg, J., & Zhou, D. (2024). The Radio Galaxy Environment Reference Survey (RAGERS): a submillimetre study of the environments of massive radio-quiet galaxies at z = 1–3. Monthly Notices of the Royal Astronomical Society, 533(1), 1032-1044. https://doi.org/10.1093/mnras/stae1861

Vancouver

Cornish T, Wardlow J, Greve TR, Chapman SC, Chen CC, Dannerbauer H et al. The Radio Galaxy Environment Reference Survey (RAGERS): a submillimetre study of the environments of massive radio-quiet galaxies at z = 1–3. Monthly Notices of the Royal Astronomical Society. 2024 Sept 30;533(1):1032-1044. Epub 2024 Aug 9. doi: 10.1093/mnras/stae1861

Author

Cornish, Thomas ; Wardlow, Julie ; Greve, T. R. et al. / The Radio Galaxy Environment Reference Survey (RAGERS) : a submillimetre study of the environments of massive radio-quiet galaxies at z = 1–3. In: Monthly Notices of the Royal Astronomical Society. 2024 ; Vol. 533, No. 1. pp. 1032-1044.

Bibtex

@article{4b9101ebd6ca4d3bb6287b7059473077,
title = "The Radio Galaxy Environment Reference Survey (RAGERS): a submillimetre study of the environments of massive radio-quiet galaxies at z = 1–3",
abstract = "Measuring the environments of massive galaxies at high redshift is crucial to understanding galaxy evolution and the conditions that gave rise to the distribution of matter we see in the Universe today. While high-z radio galaxies (HzRGs) and quasars tend to reside in protocluster-like systems, the environments of their radio-quiet counterparts are relatively unexplored, particularly in the submillimetre, which traces dust-obscured star formation. In this study we search for 850 μm-selected submillimetre galaxies in the environments of massive (M⋆>1011M⊙), radio-quiet (L500MHz≲1025 W Hz−1) galaxies at z∼1--3 using S2COSMOS data. By constructing number counts in circular regions of radius 1--6 arcmin and comparing with blank-field measurements, we find no significant overdensities of SMGs around massive radio-quiet galaxies at any of these scales, despite being sensitive down to overdensities of δ∼0.4. To probe deeper than the catalogue we also examine the distribution of peaks in the SCUBA-2 SNR map, which reveals only tentative signs of any difference in the SMG densities of the radio-quiet galaxy environments compared to the blank field, and only on smaller scales (1′ radii, corresponding to ∼0.5 Mpc) and higher SNR thresholds. We conclude that massive, radio-quiet galaxies at cosmic noon are typically in environments with δ≲0.4, which are either consistent with the blank field or contain only weak overdensities spanning sub-Mpc scales. The contrast between our results and studies of HzRGs with similar stellar masses and redshifts implies an intrinsic link between the wide-field environment and radio AGN luminosity at high redshift. ",
author = "Thomas Cornish and Julie Wardlow and Greve, {T. R.} and Chapman, {Scott C.} and Chian-Chou Chen and H. Dannerbauer and Tomotsugu Goto and Bitten Gullberg and Luis Ho and Xue-Jian Jiang and Claudia Lagos and Lee Minju and Stephen Serjeant and Hyunjin Shim and Smith, {Daniel J B} and Aswin Vijayan and Jeff Wagg and Dazhi Zhou",
year = "2024",
month = sep,
day = "30",
doi = "10.1093/mnras/stae1861",
language = "English",
volume = "533",
pages = "1032--1044",
journal = "Monthly Notices of the Royal Astronomical Society",
issn = "0035-8711",
publisher = "OXFORD UNIV PRESS",
number = "1",

}

RIS

TY - JOUR

T1 - The Radio Galaxy Environment Reference Survey (RAGERS)

T2 - a submillimetre study of the environments of massive radio-quiet galaxies at z = 1–3

AU - Cornish, Thomas

AU - Wardlow, Julie

AU - Greve, T. R.

AU - Chapman, Scott C.

AU - Chen, Chian-Chou

AU - Dannerbauer, H.

AU - Goto, Tomotsugu

AU - Gullberg, Bitten

AU - Ho, Luis

AU - Jiang, Xue-Jian

AU - Lagos, Claudia

AU - Minju, Lee

AU - Serjeant, Stephen

AU - Shim, Hyunjin

AU - Smith, Daniel J B

AU - Vijayan, Aswin

AU - Wagg, Jeff

AU - Zhou, Dazhi

PY - 2024/9/30

Y1 - 2024/9/30

N2 - Measuring the environments of massive galaxies at high redshift is crucial to understanding galaxy evolution and the conditions that gave rise to the distribution of matter we see in the Universe today. While high-z radio galaxies (HzRGs) and quasars tend to reside in protocluster-like systems, the environments of their radio-quiet counterparts are relatively unexplored, particularly in the submillimetre, which traces dust-obscured star formation. In this study we search for 850 μm-selected submillimetre galaxies in the environments of massive (M⋆>1011M⊙), radio-quiet (L500MHz≲1025 W Hz−1) galaxies at z∼1--3 using S2COSMOS data. By constructing number counts in circular regions of radius 1--6 arcmin and comparing with blank-field measurements, we find no significant overdensities of SMGs around massive radio-quiet galaxies at any of these scales, despite being sensitive down to overdensities of δ∼0.4. To probe deeper than the catalogue we also examine the distribution of peaks in the SCUBA-2 SNR map, which reveals only tentative signs of any difference in the SMG densities of the radio-quiet galaxy environments compared to the blank field, and only on smaller scales (1′ radii, corresponding to ∼0.5 Mpc) and higher SNR thresholds. We conclude that massive, radio-quiet galaxies at cosmic noon are typically in environments with δ≲0.4, which are either consistent with the blank field or contain only weak overdensities spanning sub-Mpc scales. The contrast between our results and studies of HzRGs with similar stellar masses and redshifts implies an intrinsic link between the wide-field environment and radio AGN luminosity at high redshift.

AB - Measuring the environments of massive galaxies at high redshift is crucial to understanding galaxy evolution and the conditions that gave rise to the distribution of matter we see in the Universe today. While high-z radio galaxies (HzRGs) and quasars tend to reside in protocluster-like systems, the environments of their radio-quiet counterparts are relatively unexplored, particularly in the submillimetre, which traces dust-obscured star formation. In this study we search for 850 μm-selected submillimetre galaxies in the environments of massive (M⋆>1011M⊙), radio-quiet (L500MHz≲1025 W Hz−1) galaxies at z∼1--3 using S2COSMOS data. By constructing number counts in circular regions of radius 1--6 arcmin and comparing with blank-field measurements, we find no significant overdensities of SMGs around massive radio-quiet galaxies at any of these scales, despite being sensitive down to overdensities of δ∼0.4. To probe deeper than the catalogue we also examine the distribution of peaks in the SCUBA-2 SNR map, which reveals only tentative signs of any difference in the SMG densities of the radio-quiet galaxy environments compared to the blank field, and only on smaller scales (1′ radii, corresponding to ∼0.5 Mpc) and higher SNR thresholds. We conclude that massive, radio-quiet galaxies at cosmic noon are typically in environments with δ≲0.4, which are either consistent with the blank field or contain only weak overdensities spanning sub-Mpc scales. The contrast between our results and studies of HzRGs with similar stellar masses and redshifts implies an intrinsic link between the wide-field environment and radio AGN luminosity at high redshift.

U2 - 10.1093/mnras/stae1861

DO - 10.1093/mnras/stae1861

M3 - Journal article

VL - 533

SP - 1032

EP - 1044

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

SN - 0035-8711

IS - 1

ER -