Fig. 7.
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Left: Rest-frame optical size-mass relation of the nine DSFG members in the Spiderweb protocluster, with effective radii measured using the F182M filter. For comparison, HAEs from the BOSS1244/1542 (Liu et al. 2023) and Spiderweb protoclusters (Pérez-Martínez et al. 2023), as well as field DSFGs at similar redshifts (Ren et al. 2025), are shown. The optical size-mass relations of field star-forming and quiescent galaxies at z ∼ 2.2 are also included (Ward et al. 2024; Ji et al. 2024). Right: Rest-frame NIR size-mass relation of the nine DSFG members, measured using the F410M filter. Archival DSFG samples from recent JWST studies are presented for comparison (Cheng et al. 2022, 2023; Polletta et al. 2024; Price et al. 2025; Ren et al. 2025), along with the NIR (1.5 μm) size-mass relations of star-forming and quiescent galaxies at z ∼ 2 − 2.5 (Martorano et al. 2024).
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