Quiescent galaxies in a virialized cluster at redshift 2: evidence for accelerated size growth

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Standard

Quiescent galaxies in a virialized cluster at redshift 2 : evidence for accelerated size growth. / Noordeh, E.; Canning, R. E. A.; Willis, J. P.; Allen, S. W.; Mantz, A.; Stanford, S. A.; Brammer, G.

In: Monthly Notices of the Royal Astronomical Society, Vol. 507, No. 4, 11.2021, p. 5272-5280.

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

Harvard

Noordeh, E, Canning, REA, Willis, JP, Allen, SW, Mantz, A, Stanford, SA & Brammer, G 2021, 'Quiescent galaxies in a virialized cluster at redshift 2: evidence for accelerated size growth', Monthly Notices of the Royal Astronomical Society, vol. 507, no. 4, pp. 5272-5280. https://doi.org/10.1093/mnras/stab2459

APA

Noordeh, E., Canning, R. E. A., Willis, J. P., Allen, S. W., Mantz, A., Stanford, S. A., & Brammer, G. (2021). Quiescent galaxies in a virialized cluster at redshift 2: evidence for accelerated size growth. Monthly Notices of the Royal Astronomical Society, 507(4), 5272-5280. https://doi.org/10.1093/mnras/stab2459

Vancouver

Noordeh E, Canning REA, Willis JP, Allen SW, Mantz A, Stanford SA et al. Quiescent galaxies in a virialized cluster at redshift 2: evidence for accelerated size growth. Monthly Notices of the Royal Astronomical Society. 2021 Nov;507(4):5272-5280. https://doi.org/10.1093/mnras/stab2459

Author

Noordeh, E. ; Canning, R. E. A. ; Willis, J. P. ; Allen, S. W. ; Mantz, A. ; Stanford, S. A. ; Brammer, G. / Quiescent galaxies in a virialized cluster at redshift 2 : evidence for accelerated size growth. In: Monthly Notices of the Royal Astronomical Society. 2021 ; Vol. 507, No. 4. pp. 5272-5280.

Bibtex

@article{eaefd5f30d2d424dba3ab5fa0364508f,
title = "Quiescent galaxies in a virialized cluster at redshift 2: evidence for accelerated size growth",
abstract = "We present an analysis of the galaxy population in XLSSC 122, an X-ray-selected, virialized cluster at redshift z = 1.98. We utilize Hubble Space Telescope (HST)Wide Field Camera 3 (WFC3) photometry to characterize the activity and morphology of spectroscopically confirmed cluster members. The quiescent fraction is found to be 88(-20)(+4) percent within 0.5r(500), significantly enhanced over the field value of 20(-2)(+2) percent at z similar to 2. We find an excess of 'bulge-like' quiescent cluster members with Sersic index n > 2 relative to the field. These galaxies are found to be larger than their field counterparts at 99.6 percent confidence, being on average 63(-24)(+31) percent larger at a fixed mass of M-* = 5 x 10(10) M-circle dot . This suggests that these cluster member galaxies have experienced an accelerated size evolution relative to the field at z > 2. We discuss minor mergers as a possible mechanism underlying this disproportionate size growth.",
keywords = "galaxies: clusters: general, galaxies: evolution, galaxies: fundamental parameters, galaxies: high-redshift, galaxies: stellar content, galaxies: structure, SIMILAR-TO 1, COLOR-MAGNITUDE RELATION, STAR-FORMATION, STELLAR-MASS, SPIRAL GALAXIES, DISK GALAXIES, EVOLUTION, FIELD, MERGERS, TRANSFORMATION",
author = "E. Noordeh and Canning, {R. E. A.} and Willis, {J. P.} and Allen, {S. W.} and A. Mantz and Stanford, {S. A.} and G. Brammer",
year = "2021",
month = nov,
doi = "10.1093/mnras/stab2459",
language = "English",
volume = "507",
pages = "5272--5280",
journal = "Royal Astronomical Society. Monthly Notices",
issn = "0035-8711",
publisher = "Oxford University Press",
number = "4",

}

RIS

TY - JOUR

T1 - Quiescent galaxies in a virialized cluster at redshift 2

T2 - evidence for accelerated size growth

AU - Noordeh, E.

AU - Canning, R. E. A.

AU - Willis, J. P.

AU - Allen, S. W.

AU - Mantz, A.

AU - Stanford, S. A.

AU - Brammer, G.

PY - 2021/11

Y1 - 2021/11

N2 - We present an analysis of the galaxy population in XLSSC 122, an X-ray-selected, virialized cluster at redshift z = 1.98. We utilize Hubble Space Telescope (HST)Wide Field Camera 3 (WFC3) photometry to characterize the activity and morphology of spectroscopically confirmed cluster members. The quiescent fraction is found to be 88(-20)(+4) percent within 0.5r(500), significantly enhanced over the field value of 20(-2)(+2) percent at z similar to 2. We find an excess of 'bulge-like' quiescent cluster members with Sersic index n > 2 relative to the field. These galaxies are found to be larger than their field counterparts at 99.6 percent confidence, being on average 63(-24)(+31) percent larger at a fixed mass of M-* = 5 x 10(10) M-circle dot . This suggests that these cluster member galaxies have experienced an accelerated size evolution relative to the field at z > 2. We discuss minor mergers as a possible mechanism underlying this disproportionate size growth.

AB - We present an analysis of the galaxy population in XLSSC 122, an X-ray-selected, virialized cluster at redshift z = 1.98. We utilize Hubble Space Telescope (HST)Wide Field Camera 3 (WFC3) photometry to characterize the activity and morphology of spectroscopically confirmed cluster members. The quiescent fraction is found to be 88(-20)(+4) percent within 0.5r(500), significantly enhanced over the field value of 20(-2)(+2) percent at z similar to 2. We find an excess of 'bulge-like' quiescent cluster members with Sersic index n > 2 relative to the field. These galaxies are found to be larger than their field counterparts at 99.6 percent confidence, being on average 63(-24)(+31) percent larger at a fixed mass of M-* = 5 x 10(10) M-circle dot . This suggests that these cluster member galaxies have experienced an accelerated size evolution relative to the field at z > 2. We discuss minor mergers as a possible mechanism underlying this disproportionate size growth.

KW - galaxies: clusters: general

KW - galaxies: evolution

KW - galaxies: fundamental parameters

KW - galaxies: high-redshift

KW - galaxies: stellar content

KW - galaxies: structure

KW - SIMILAR-TO 1

KW - COLOR-MAGNITUDE RELATION

KW - STAR-FORMATION

KW - STELLAR-MASS

KW - SPIRAL GALAXIES

KW - DISK GALAXIES

KW - EVOLUTION

KW - FIELD

KW - MERGERS

KW - TRANSFORMATION

U2 - 10.1093/mnras/stab2459

DO - 10.1093/mnras/stab2459

M3 - Journal article

VL - 507

SP - 5272

EP - 5280

JO - Royal Astronomical Society. Monthly Notices

JF - Royal Astronomical Society. Monthly Notices

SN - 0035-8711

IS - 4

ER -

ID: 281983872