Le conte et le remaillage des enveloppes psychiques

Chouvier, Bernard

doi:10.3917/clini.025.0094

Cited by 1 publication

(1 citation statement)

References 4 publications

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“…Suess et al (2022) find that starforming galaxies are more concentrated in terms of their stellar mass than in their rest-frame optical light at 1.0 < z < 2.5 compared to previous estimates using HST data. Costantin et al (2023a) find galaxy disks hosting stellar bars at redshifts as high as z ≈ 3 (see also Guo et al 2023;Le Conte et al 2023), suggesting that galaxy disks like those in the local Universe may have been in place much earlier than anticipated. Recently, Pandya et al (2023) found that the majority of low-mass galaxies at z > 1 are prolate, cigar-shaped systems instead of oblate disks.…”

Section: Introductionmentioning

confidence: 92%

Evolution of the Size–Mass Relation of Star-forming Galaxies Since z = 5.5 Revealed by CEERS

Ward,

de la Vega,

Mobasher

et al. 2024

ApJ

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We combine deep imaging data from the CEERS early release JWST survey and Hubble Space Telescope imaging from CANDELS to examine the size–mass relation of star-forming galaxies and the morphology–quenching relation at stellar masses M ⋆ ≥ 109.5 M ⊙ over the redshift range 0.5 < z < 5.5. In this study with a sample of 2450 galaxies, we separate star-forming and quiescent galaxies based on their star formation activity and confirm that star-forming and quiescent galaxies have different morphologies out to z = 5.5, extending the results of earlier studies out to higher redshifts. We find that star-forming and quiescent galaxies have typical Sérsic indices of n ∼ 1.3 and n ∼ 4.3, respectively. Focusing on star-forming galaxies, we find that the slope of the size–mass relation is nearly constant with redshift, as was found previously, but shows a modest increase at z ∼ 4.2. The intercept in the size–mass relation declines out to z = 5.5 at rates that are similar to what earlier studies found. The intrinsic scatter in the size–mass relation is relatively constant out to z = 5.5.

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