Table 1
Stellar and planetary parameters for all studied planets.
| Description | HAT-P-57 | KELT-7 | KELT-17 | KELT-21 | MASCARA-1 | WASP-189 |
|---|---|---|---|---|---|---|
| V-band magnitude | 10.465 ± 0.029 | 8.540 ± 0.030 | 9.286 ± 0.051 | 10.48 ± 0.04 | 8.3 | 6.64(b) |
| Projected rotation speed [km−1] | 102.1 ± 1.3 |  |
 |
146.03 ± 0.48 | 109.0±4 | 93.1 ± 1.7 |
| Surface gravity log [cgs] | 4.251 ± 0.018 | 4.149 ± 0.019 |  |
 |
4 | 3.9 ± 0.2 |
| Metallicity | −0.25 ± 0.25 |  |
 |
 |
0 | +0.29 ± 0.13 |
| Stellar mass [M⊙] | 1.47 ± 0.12 |  |
 |
 |
1.72 ± 0.07 | 2.030± 0.066 |
| Stellar radius [R⊙] | 1.50 ± 0.05 |  |
 |
1.638 ± 0.034 | 2.1 ± 0.2 | 2.36 ± 0.030 |
| Planet mass [MJ] | <1.85 | 1.28 ± 0.18 |  |
<3.91 | 3.7 ± 0.9 |  |
| Planet radius [RJ] | 1.413 ± 0.054 |  |
 |
 |
1.5 ± 0.3 | 1.619 ± 0.021 |
| Equilibrium temperature [K] | 2200 ± 76 | 2048 ± 27 |  |
 |
 |
2690 ± 260(b) |
| Right ascension | 18h18m58.32s | 05h13m10.93s | 08h22m28.21s | 20h19m12.004s | 21h10m12.37s | 15h02m44.86s |
| Declination | +10 35 50. 3 | +33 19 05.40 | +13:44:07.2 | +32 34 51 77 | +10 44 19.9 | −03 01 5 2.9 |
| Period [days] | 2.4652950 ±3.2 × 10−6 | 2.7347749 ±3.9 × 10−6 | 3.0801718 ±5.3 × 10−6 | 3.6127628 ±3.3 × 10−6 | 2.148780 ± 0.8 × 10−6 | 2.7240330(b) ±4.3 × 10−6 |
| Transit duration [days] | 0.14578 ± 0.00080 |  |
 |
 |
4.05 ± 0.03 | 0.1813 ± 0.0011(b) |
| Ingress/egress duration [days] | 0.01325 ± 0.00054 |  |
 |
0.01864 ± 0.00076 | - | 0.01289 ± 0.0043(b) |
| Semi-major axis [AU] | 0.0406 ± 0.0011 |  |
 |
 |
0.043 ± 0.005 | 0.05053 ± 0.00098 |
| Inclination [deg] | 88.26 ± 0.85 |  |
 |
 |
 |
84.03 ± 0.14 |
| Systemic velocity [km s−1] | −9.62 | 40.748405(a) ±0.7995454 | 28.0 ± 0.1 | −13 ± 1 | 11.20 ± 0.08 | −24.465 ± 0.012 |
| Projected obliquity [deg] | −16.7 < 1 < 3.3 or 27.6 < 1 < 57.4 | 9.7 ± 5.2 | −115.9 ± 4.1 |  |
69.5 ± 4 |  |
| Kp, Planetary RV semi-amplitude [km s−1] | 179.08 | 174.59 | 171.70 | 156.57 | 217.41 | 200.71 |
Notes. Stellar and planetary parameters for HAT-P-57 adopted from Hartman et al. (2015), KELT-7 adopted from Bieryla et al. (2015) (a)from Gaia Archive, KELT-17 adopted from Zhou et al. (2016b), KELT-21 adopted from Johnson et al. (2018), MASCARA-1 adopted from Talens et al. (2017), and WASP-189 adopted from Lendl et al. (2020) and (b)from Anderson et al. (2018).
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