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Table 1

Key parameters for all evaluated models consisting of a mixture of H–He and rock.

Model name Tc (K) Zc S0Sc (erg K−1 g−1) ra→ na MXY (M) ρc (kg m−3)
model 1 PV 12 768 0.919 8.598−7.772 0.743 2.94 11.59 6035
model 2 PV 12 562 0.860 8.599−7.963 0.739 2.89 11.64 4893
model 3 PV 13 591 0.877 8.598−7.924 0.741 2.88 11.65 5159
model 4 PV 14 943 0.871 8.596−7.956 0.725 2.64 11.89 4964
model 5 PV 15 399 0.902 8.596−7.865 0.730 2.62 11.82 5546

model 1 PH 13 501 0.921 8.596−7.773 0.727 2.68 11.85 6070
model 2 PH 28 658 0.932 8.599−7.828 0.407 1.66 12.87 5834
model 3 PH 20 638 0.910 8.603−7.869 0.504 2.30 12.23 5672
model 4 PH 20 427 0.905 8.600−7.887 0.554 2.29 12.24 5556

model 1 winds 14 794 0.970 8.599−7.527 0.720 2.75 11.79 7254
model 2 winds 12 855 0.951 8.599−7.624 0.734 2.95 11.59 6859
model 3 winds 21 509 0.939 8.603−7.756 0.451 2.30 12.24 6302
model 4 winds 15 512 0.915 8.599−7.813 0.721 2.76 11.78 5907

Notes. The models are separated into three groups: the first group uses the slower rotation period of Uranus (PV) to calculate its structure. The second group uses the faster rotation period (PH) instead. The third group also uses PV, but adds a wind layer that is 1100 km deep. Tc denotes the central temperature and Zc the central metallicity (mass fraction of rock). S0 and Sc denote the entropy on the surface and in Uranus’s center. ra→na is the radius at which Uranus becomes non-convective. MXY and are the total bulk abundances of the H–He mixture and rock, respectively. Finally, ρc is the central density.

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