Free Access
Table 2
Value and 1σ errors derived for the WASP-103 star+planet system from our analysis.
| Stellar parameters | Value | Unit |
|
|
||
| RA (J2000) | 16 37 15.57 | HH:MM:SS.SS |
| Dec (J2000) | +07 11 00.07 | DD:MM:SS.SS |
| V-magnitudeb | 12.1 ± 0.01 | mag |
| K-magnitudec | 10.8 ± 0.02 | mag |
| Spectral type | F8V | |
| Effective temperature Teff | 6110 ± 160 | K |
| Metallicity [Fe/H] | 0.06 ± 0.13 | dex |
| Lithium abundance log A(Li) | 2.23 ± 0.13 | dex |
| Aged | 3–5 | Gyr |
| Projected rotation velocity VsinI∗ | 10.6 ± 0.9 | km s-1 |
| Microturbulence Vr | 1.1 ± 0.2 | km s-1 |
| Surface gravity log g∗ |
|
cgs |
| Systemic RV | −42.001 ± 0.005 | km s-1 |
| Density ρ∗ |
|
ρ⊙ |
| Mass M∗ |
|
M⊙ |
| Radius R∗ |
|
R⊙ |
| Luminosity L∗ |
|
L⊙ |
| Distance d | 470 ± 35 | parsec |
|
|
||
| Planet parameters | Value | Unit |
|
|
||
| RV semi-amplitude K | 271 ± 15 | m s-1 |
| Planet-to-star area ratio (Rp/R∗)2 |
|
% |
| Planet-to-star radius ratio Rp/R∗ |
|
|
| Transit impact parameter b | 0.19 ± 0.13 | R∗ |
| Transit duration W | 2.593 ± 0.024 | hours |
| Time of inferior conjunction T0 | 2 456 459.59957 ± 0.00075 | BJDTDB |
| Orbital period P | 0.925542 ± 0.000019 | d |
| Orbital inclination ip | 86.3 ± 2.7 | deg |
| Orbital semi-major axis a | 0.01985 ± 0.00021 | AU |
| Orbit scale factor a/R∗ |
|
|
| Mass Mp | 1.490 ± 0.088 | MJup |
| Radius Rp |
|
RJup |
| Surface gravity log gp |
|
cgs |
| Density ρp |
|
g cm-3 |
| Equilibrium temperatureeTeq |
|
K |
| Irradiation |  109 |
erg s-1 cm-2 |
| Roche limit aRf |
|
AU |
| a/aR |
|
|
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.