CEERS key paper. IV. A triality in the nature of HST-dark galaxies
PG Pérez-González, G Barro… - The Astrophysical …, 2023 - iopscience.iop.org
PG Pérez-González, G Barro, M Annunziatella, L Costantin, Á García-Argumánez…
The Astrophysical Journal Letters, 2023•iopscience.iop.orgThe new capabilities that JWST offers in the near-and mid-infrared (IR) are used to
investigate in unprecedented detail the nature of optical/near-IR-faint, mid-IR-bright sources,
with HST-dark galaxies among them. We gather JWST data from the CEERS survey in the
Extended Groth Strip, jointly with HST data, and analyze spatially resolved optical-to-mid-IR
spectral energy distributions to estimate photometric redshifts in two dimensions and stellar
population properties on a pixel-by-pixel basis for red galaxies detected by NIRCam. We …
investigate in unprecedented detail the nature of optical/near-IR-faint, mid-IR-bright sources,
with HST-dark galaxies among them. We gather JWST data from the CEERS survey in the
Extended Groth Strip, jointly with HST data, and analyze spatially resolved optical-to-mid-IR
spectral energy distributions to estimate photometric redshifts in two dimensions and stellar
population properties on a pixel-by-pixel basis for red galaxies detected by NIRCam. We …
Abstract
The new capabilities that JWST offers in the near-and mid-infrared (IR) are used to investigate in unprecedented detail the nature of optical/near-IR-faint, mid-IR-bright sources, with HST-dark galaxies among them. We gather JWST data from the CEERS survey in the Extended Groth Strip, jointly with HST data, and analyze spatially resolved optical-to-mid-IR spectral energy distributions to estimate photometric redshifts in two dimensions and stellar population properties on a pixel-by-pixel basis for red galaxies detected by NIRCam. We select 138 galaxies with F150W− F356W> 1.5 mag and F356W< 27.5 mag. The nature of these sources is threefold:(1) 71% are dusty star-forming galaxies (SFGs) at 2< z< 6 with
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