SIMBAD references

2024RNAAS...8..297R - Research Notes of the AAS, 8, 297 (2024/December-0)

Spatially Resolved Stellar Populations of z = 3-6 Lyα-emitting Galaxies with CEERS JWST NIRCam Imaging.

RAHMAN T., JUNG I., ABDURRO'UF, FERGUSON H.C., PACUCCI F., HATHI N.P. and KOEKEMOER A.M.

Abstract (from CDS):

We conduct spatially resolved spectral energy distribution (SED) fitting of 46 spectroscopically confirmed Lyα emitting galaxies at 3.5 < z < 6.5 using JWST NIRCam imaging data from the Extended Groth Strip field. Using PIXEDFIT for resolved photometry and SED fitting, we derive radial trends of star formation rate (SFR), surface stellar mass density, specific SFR (sSFR), stellar age, dust attenuation (AV), and metallicity. Our analysis reveals that galaxies below the star-forming main sequence (SFMS) display lower central sSFR and older stellar ages compared to those on/above the SFMS, aligning with the picture of inside-out quenching scenario. These findings provide hints into the physical properties and the structural evolution of high-redshift Lyα emitters in the early universe.

Abstract Copyright: © 2024. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Galaxy evolution - Reionization - Lyman-alpha galaxies - Star formation - Stellar populations - Early universe

Simbad objects: 1

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