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Table 4
Parameters describing the MASCARA-2 system, derived from the best-fit models to the photometric and spectroscopic data.
| Parameter | Symbol | Value | |
|---|---|---|---|
| Stellar parameters | |||
| Identifiers | HD 185603; HIP 96618 | ||
| Right ascension | 19h38m38.73s | ||
| Declination | + 31°13′09.2′′ | ||
| Spectral type | A2 | ||
| V -band magnitude | mV | 7.6 | |
| Age |  |
||
| Effective temperature | Teff |  |
|
| Projected rotation speed | vsini⋆ | 114 ± 3 km s−1 | |
| Surface gravity | logg | 4.31 ± 0.02 | |
| Metallicity | [Fe/H] | −0.02 ± 0.07 | |
| Stellar mass | M⋆ |  |
|
| Stellar radius | R⋆ | 1.60 ± 0.06 R⊙ | |
| Stellar density | ρ⋆ | 0.66 ± 0.01 g cm−3 | |
| Planet parameters | |||
| Planet radius | Rp | 1.83 ± 0.07 RJ | |
| Planet mass | Mp | <17 MJ | |
| Equilibrium temperaturea | Teq | 2260 ± 50 K | |
| System parameters | |||
| Epoch | Tp |  |
|
| Period | P |  |
|
| Semi-major axis | a | 0.057 ± 0.006 au | |
| Inclination | i |  |
|
| Eccentricity | e | 0 (fixed) | |
| Projected obliquity | λ | 0.6 ± 4° | |
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