An Atlas of Color-selected Quiescent Galaxies at z > 3 in Public JWST Fields
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An Atlas of Color-selected Quiescent Galaxies at z > 3 in Public JWST Fields. / Valentino, Francesco; Brammer, Gabriel; Gould, Katriona M. L.; Kokorev, Vasily; Fujimoto, Seiji; Jespersen, Christian Kragh; Vijayan, Aswin P.; Weaver, John R.; Ito, Kei; Tanaka, Masayuki; Ilbert, Olivier; Magdis, Georgios E.; Whitaker, Katherine E.; Faisst, Andreas L.; Gallazzi, Anna; Gillman, Steven; Gimenez-Arteaga, Clara; Gomez-Guijarro, Carlos; Kubo, Mariko; Heintz, Kasper E.; Hirschmann, Michaela; Oesch, Pascal; Onodera, Masato; Rizzo, Francesca; Lee, Minju; Strait, Victoria; Toft, Sune.
I: Astrophysical Journal, Bind 947, Nr. 1, 20, 10.04.2023.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - An Atlas of Color-selected Quiescent Galaxies at z > 3 in Public JWST Fields
AU - Valentino, Francesco
AU - Brammer, Gabriel
AU - Gould, Katriona M. L.
AU - Kokorev, Vasily
AU - Fujimoto, Seiji
AU - Jespersen, Christian Kragh
AU - Vijayan, Aswin P.
AU - Weaver, John R.
AU - Ito, Kei
AU - Tanaka, Masayuki
AU - Ilbert, Olivier
AU - Magdis, Georgios E.
AU - Whitaker, Katherine E.
AU - Faisst, Andreas L.
AU - Gallazzi, Anna
AU - Gillman, Steven
AU - Gimenez-Arteaga, Clara
AU - Gomez-Guijarro, Carlos
AU - Kubo, Mariko
AU - Heintz, Kasper E.
AU - Hirschmann, Michaela
AU - Oesch, Pascal
AU - Onodera, Masato
AU - Rizzo, Francesca
AU - Lee, Minju
AU - Strait, Victoria
AU - Toft, Sune
PY - 2023/4/10
Y1 - 2023/4/10
N2 - We present the results of a systematic search for candidate quiescent galaxies in the distant universe in 11 JWST fields with publicly available observations collected during the first 3 months of operations and covering an effective sky area of similar to 145 arcmin(2). We homogeneously reduce the new JWST data and combine them with existing observations from the Hubble Space Telescope. We select a robust sample of similar to 80 candidate quiescent and quenching galaxies at 3 < z < 5 using two methods: (1) based on their rest-frame UVJ colors, and (2) a novel quantitative approach based on Gaussian mixture modeling of the near-UV - U, U - V, and V - J rest-frame color space, which is more sensitive to recently quenched objects. We measure comoving number densities of massive (M-* >= 10(10.6) M-circle dot) quiescent galaxies consistent with previous estimates relying on ground-based observations, after homogenizing the results in the literature with our mass and redshift intervals. However, we find significant field-to-field variations of the number densities up to a factor of 2-3, highlighting the effect of cosmic variance and suggesting the presence of overdensities of red quiescent galaxies at z > 3, as could be expected for highly clustered massive systems. Importantly, JWST enables the robust identification of quenching/quiescent galaxy candidates at lower masses and higher redshifts than before, challenging standard formation scenarios. All data products, including the literature compilation, are made publicly available.
AB - We present the results of a systematic search for candidate quiescent galaxies in the distant universe in 11 JWST fields with publicly available observations collected during the first 3 months of operations and covering an effective sky area of similar to 145 arcmin(2). We homogeneously reduce the new JWST data and combine them with existing observations from the Hubble Space Telescope. We select a robust sample of similar to 80 candidate quiescent and quenching galaxies at 3 < z < 5 using two methods: (1) based on their rest-frame UVJ colors, and (2) a novel quantitative approach based on Gaussian mixture modeling of the near-UV - U, U - V, and V - J rest-frame color space, which is more sensitive to recently quenched objects. We measure comoving number densities of massive (M-* >= 10(10.6) M-circle dot) quiescent galaxies consistent with previous estimates relying on ground-based observations, after homogenizing the results in the literature with our mass and redshift intervals. However, we find significant field-to-field variations of the number densities up to a factor of 2-3, highlighting the effect of cosmic variance and suggesting the presence of overdensities of red quiescent galaxies at z > 3, as could be expected for highly clustered massive systems. Importantly, JWST enables the robust identification of quenching/quiescent galaxy candidates at lower masses and higher redshifts than before, challenging standard formation scenarios. All data products, including the literature compilation, are made publicly available.
KW - COSMOLOGY LEGACY SURVEY
KW - STAR-FORMATION ACTIVITY
KW - EPOCH SIMULATIONS FLARES
KW - HUBBLE-SPACE-TELESCOPE
KW - LENSING CLUSTER SURVEY
KW - STELLAR MASS FUNCTION
KW - PASSIVE GALAXIES
KW - SPECTROSCOPIC CONFIRMATION
KW - PHOTOMETRIC REDSHIFTS
KW - VELOCITY DISPERSIONS
U2 - 10.3847/1538-4357/acbefa
DO - 10.3847/1538-4357/acbefa
M3 - Journal article
VL - 947
JO - Astrophysical Journal
JF - Astrophysical Journal
SN - 0067-0049
IS - 1
M1 - 20
ER -
ID: 347798209