Table 6
Thermal phase-curve parameters of UHJs observed with Spitzer/IRAC.
| Planet | Wavelength (µm) | Tday (K) | Tnight (K) |  |
Ab () | ɛ () |
|---|---|---|---|---|---|---|
| WASP-19 b (i) | 3.6 |  |
 |
−10.5 ± 4.0 |  |
 |
| 4.5 | 2357 ± 64 |  |
−12.9 ± 3.6 |  |
 |
|
| HAT-P-7 b(i) | 3.6 | 2632 ± 77 | <1360 (2σ) | 6.8 ± 7.5 |  |
<0.02 (2σ) |
| 4.5 | 2682 ± 49 | 1710 ± 180 | 4.1 ± 7.5 |  |
 |
|
| WASP-76 b(ii) | 3.6 | 2471 ± 27 | 1518 ± 61 | −0.68 ± 0.48 |  |
0.31 ± 0.04 |
| 4.5 | 2699 ± 32 | 1259 ± 44 | −0.67 ± 0.20 | 0.05 ± 0.09 |  |
|
| WASP-33 b(iii) | 3.6 | 3082 ± 92 |  |
−12.8 ± 5.8 |  |
0.34 ± 0.06 |
| 4.5 |  |
 |
−19.8 ± 3.0 |  |
0.12 ± 0.03 | |
| WASP-121 b(iv) | 3.6 |  |
 |
5.9 ± 1.6 |  |
 |
| 4.5 |  |
 |
 |
 |
 |
|
| KELT-1b (v) | 3.6 | 2988 ± 60 |  |
−28.4 ± 3.5 |  |
 |
| 4.5 | 2902 ± 74 |  |
−18.6 ± 5.2 |  |
 |
|
| WASP-103 b(vi) | 3.6 | 2995 ± 159 | 1523 ± 153 | −2.0 ± 0.7 |  |
 |
| 4.5 | 3154 ± 99 | 1288 ± 118 | −1.0 ± 0.4 |  |
 |
|
| WASP-12 b(vii) | 3.6 | 2744 ± 48 | 1510 ± 210 | N.A. |  |
 |
| 3.6 | 2813 ± 48 | 1760 ± 97 | N.A. |  |
0.33 ± 0.06 | |
| 4.5 | 2989 ± 66 | 790 ± 150 | N.A. |  |
 |
|
| 4.5 | 2854 ± 74 | 1340 ± 180 | N.A. |  |
 |
|
| KELT-9 b(viii) | 4.5 |  |
 |
 |
 |
0.23 ± 0.04 |
Notes. The brightness temperatures and hot-spot offsets were extracted from the literature, and used to calculate the Bond albedo and circulation efficiency.
References. (i) Wong et al. (2016); (ii) May et al. (2021); (iii) Zhang et al. (2018); (iv)This work; (v) Beatty et al. (2019); (vi) Kreidberg et al. (2018); (vii) Bell et al. (2019); (viii) Mansfield et al. (2020).
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