Cluster environments accelerate stellar halo growth in massive quiescent galaxies but suppress it in the lowest-mass ones, based on stacked surface-brightness profiles of ~96,000 galaxies at 0.1<z<1.
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Star-forming galaxies show R_e,J ∝ (1+z)^(-0.92) and μ_J evolution with γ=3.07 while quiescent galaxies evolve faster (β=-1.34, γ=3.70) at fixed stellar mass, with evolution driven by luminosity and size changes.
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The Role of Cluster Environments in Quiescent Galaxy Stellar Halo Assembly
Cluster environments accelerate stellar halo growth in massive quiescent galaxies but suppress it in the lowest-mass ones, based on stacked surface-brightness profiles of ~96,000 galaxies at 0.1<z<1.
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COSMOS-Web: Galaxy Size and Surface Brightness Evolution at Rest-Frame 1.22 $\mu$m Since $z=3$
Star-forming galaxies show R_e,J ∝ (1+z)^(-0.92) and μ_J evolution with γ=3.07 while quiescent galaxies evolve faster (β=-1.34, γ=3.70) at fixed stellar mass, with evolution driven by luminosity and size changes.