Table 1
Properties and parameters for UHJs with known hotspot shift.
| Name | R(RJ) | Ω (1/s) | go (m/s2 ) | d (AU) | T* | Teq | TD | TN | shift (°) | Ek | N/Ω | Rm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WASP-76 b | 1.85 | 4.0× 10−5 | 6.46 | 0.03 | 6300 | 2203 | 2699 | 1259 | 0.7 | 2.4 × 10−17 | 44 | 8.1 × 104 |
| WASP-18 b | 1.19 | 7.7× 10−5 | 190.3 | 0.02 | 6400 | 2394 | 3151 | 960 | −0.9 | 3.0× 10−17 | 649 | 5.2× 104 |
| KELT-1 b | 1.11 | 6.0× 10−5 | 571.8 | 0.02 | 6518 | 2416 | 3435 | 3240 | 3.8 | 4.4× 10−17 | 1259 | 4.9 × 104 |
| KELT-16 b | 1.42 | 7.5 × 10−5 | 35.6 | 0.02 | 6236 | 2477 | 3070 | 1900 | −38 | 2.2× 10−17 | 123 | 6.2× 104 |
| WASP-72 b | 1.82 | 6.7× 10−5 | 11.0 | 0.02 | 6250 | 2487 | 2920 | 1110 | −10.6 | 1.4 × 10−17 | 43 | 8.0 × 104 |
| WASP-103 b | 1.53 | 7.9× 10−5 | 16.2 | 0.02 | 6110 | 2505 | 2971 | 920 | −14.6 | 1.8 × 10−17 | 53 | 6.7 × 104 |
| MASCARA-1 b | 1.50 | 3.4× 10−5 | 42.6 | 0.04 | 7554 | 2542 | 2952 | 1300 | −6 | 4.8 × 10−17 | 161 | 6.6 × 104 |
| WASP-33 b | 1.68 | 6.0× 10−5 | 30.1 | 0.03 | 7430 | 2720 | 3932 | 1559 | 11.7 | 1.9 × 10−17 | 125 | 7.4× 104 |
| KELT-9 b | 1.89 | 4.91 × 10−5 | 17.4 | 0.04 | 10 170 | 3988 | 4450 | 3290 | 48.8 | 2.1 × 10−17 | 72 | 8.3 × 104 |
| simulation | 10−4 | 32 | 4.2× 104 |
Notes. UHJs with observed hotspot shift (Column 10), dayside equilibrium temperature, TD (column 8), and nightside temperature, TN (Column 9), listed in Bell et al. (2019). The planetary radius, R (column 2, in Jupiter radii), rotation rate, Ω (Column 3), surface gravity, go (Column 4), semimajor axis, d (Column 5), and stellar temperature, T* (Column 6), were all taken from Bell et al. (2019). The planetary equilibrium temperature, Teq (Column 7), assuming radiation on the dayside and nightside, was calculated according to Teq = T*(R/(2D))1/221/4. The Ekman number, Ek(column 11), was calculated assuming a kinematic viscosity of ν = 5 × 10−5 and a length scale of 0.1 R. The stratification measure, N/Ω (Column 12), assumes an isothermal atmosphere, and the magnetic Reynolds number, Rm , assumes that σ = 0.5 S/m, which is more appropriate for the dayside value. Temperatures are given in Kelvin. Dayside temperatures, nightside temperatures, and the hotspot offset are based on Spitzer 4.5 μm observations by Bell et al. (2021) or by May et al. (2021) for WASP-76b.
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