Fig. 4.

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The j⋆ − M⋆ − hR, morph relation comparing simulations with observations. The units of hR, morph, j⋆, and M⋆ are kpc, kpc km s−1, and M⊙, respectively. The left and right panels show galaxies in two mass ranges log (M⋆/M⊙): ∈[9.5, 11.5] and ∈[9.0, 9.5]. The fiducial j⋆ − M⋆ − hR, morph relation of tiny-halo galaxies, where hR, morph represents the scale length of the disk component defined by morphology, is visualized using a kernel density estimation (KDE) map. For convenience, we adjust the surface fitting to align with y = x. We performed mock measurements of tiny-halo galaxies based on Eq. (2) (black dots). The gray points show the halo-subdominated galaxies for comparison. The observational data points of disk galaxies from Mancera Piña et al. (2021) are represented by green triangles. The dot-dashed lines represent the cases exhibiting offsets of ±0.3 dex.
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