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Table 1
Physical and orbital parameters of MASCARA-2.
| Description | Symbol | Value |
|---|---|---|
| Identifiers | – | KELT-20, HD 185603 |
| V-band magnitude | mV | 7.6 |
| Effective temperature | Teff |  K |
| Projected rotation speed | v sin i⋆ | 114 ± 3 km s−1 |
| Surface gravity | log g | 4.31 ± 0.02 cgs |
| Metallicity | [Fe/H] | − 0.02 ± 0.07 |
| Stellar mass | M⋆ |  M⊙ |
| Stellar radius | R⋆ | 1.60 ± 0.06 R⊙ |
| Planet mass (*) | Mp | <3.382 MJ |
| Planet radius | Rp | 1.83 ± 0.07 RJ |
| Equilibrium temperature | Teq | 2260 ± 50 K |
| Surface gravity (*) | log gp | <3.467 cgs |
| Right ascension | … | 19h38m38.73s |
| Declination | … | +31° 13′ 09.2″ |
| Epoch | Tc |  BJD |
| Period (*) | P | 3.4741085 ± 0.0000019 days |
| Transit duration (*) | T14 |  days |
| Ingress/Egress duration (*) | τ |  days |
| Semi-major axis (*) | a |  AU |
| Inclination (*) | i |  deg |
| Eccentricity | e | 0 (fixed) |
| Systemic velocity | vsys | − 21.07 ± 0.03 km s−1 |
| Projected obliquity | λ | 0.6 ± 4 deg |
| Planetary RV semi-amplitude | Kp | 169 ± 10 kms−1 |
Notes. Values in the table denoted with (*)were taken from Lund et al. (2017). The rest of the parameters were taken from Talens et al. (2018).
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