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Fig. 2

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Enrichment of noble gases not frozen on the dust surface, compared to their solar abundances in a protoplanetary disk for the sun-like stellar luminosity (upper row) and the lower stellar luminosity (lower row). The left, center, and right columns show the Ar, Kr, and Xe enrichment. The white solid vertical and horizontal lines show the positions of current Jupiter (5.2 au) and the timing of the Jovian core starting the gas accretion, tstart. The white dotted and dashed lines show the disk edge, rdisk, and the ice lines, rAr, rKr, and rXe. The dashed-dotted lines indicate the radii where the gas velocity is converted to outward, rυg=0${r_{{\upsilon _{\rm{g}}} = 0}}$. The disk parameter set is No. S13: α0 = 0.04, Sc = 1.0, fIPE = 0.1, FUV = 10 G0, and fvfrag is on.

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