Free Access
Table 1.
Physical and orbital parameters of MASCARA-2b.
| Parameter | Symbol | Value |
|---|---|---|
| Stellar parameters | ||
| Identifiers | – | KELT-20, HD 185603 |
| V-band magnitude | mV | 7.6 |
| Spectral type | – | A2 |
| Effective temperature | Teff |  K |
| Projected rotation speeda | vsin i⋆ | 115.9 ± 3.4 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 parameters | ||
| Planet massa | Mp | <3.510 MJup |
| Planet radius | Rp | 1.83 ± 0.07 RJup |
| Equilibrium temperature | Teq | 2260 ± 50 K |
| Surface gravitya | loggP | <3.460 cgs |
| System parameters | ||
| Right ascension | – | 19h38m38.73s |
| Declination | – | +31°13′09.2″ |
| Epoch | Tc |  BJD |
| Period | P |  days |
| Transit duration | T14 | 3.55 ± 0.03 h |
| Semimajor axis | a | 0.057 ± 0.006 AU |
| Scaled semimajor axis | a/R⋆ | 7.5 ± 0.04 |
| Inclination | i |  |
| Eccentricity | e | 0 (fixed) |
| Planet-to-star ratio | Rp/R⋆ | 0.1133 ± 0.0007 |
| Systemic velocity | γ | −21.07 ± 0.03 km s−1 |
| Projected obliquity | λ | 0.6 ± 4° |
Notes.
(a)
From Lund et al. (2017). All the remaining parameters are taken from Talens et al. (2018).
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.