Dust geometry in z~3 SMGs produces a systematic stellar mass underestimate in integrated fits and wavelength-dependent sizes and offsets, with compact stellar cores matching the dust continuum at longer wavelengths.
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JWST observations of lensed galaxies yield tentative evidence for mass- and redshift-dependent radial gradients in nebular dust attenuation, with lower attenuation at higher redshifts and more extended SFR profiles in lower-redshift massive systems consistent with inside-out growth.
Dust attenuation follows a universal mass-dependent relation from z=0 to 7 with a transition at 10^9 solar masses where nebular attenuation steepens relative to stellar.
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Early Results from GLASS-JWST. XXVI. Spatially Resolved Star Formation and Balmer Decrements at $1.1<z<2.3$ from NIRISS Slitless Spectroscopy
JWST observations of lensed galaxies yield tentative evidence for mass- and redshift-dependent radial gradients in nebular dust attenuation, with lower attenuation at higher redshifts and more extended SFR profiles in lower-redshift massive systems consistent with inside-out growth.