WASP-14
Star in the constellation Boötes
From Wikipedia, the free encyclopedia
WASP-14 or BD+22 2716 is a star 524 light-years away in the constellation Boötes. It hosts a transiting planet discovered by the SuperWASP project.[8] There is a 0.33±0.04 M☉ companion star at a separation of 300±20 AU.[9]
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Boötes[1] |
| Right ascension | 14h 33m 06.3572s[2] |
| Declination | +21° 53′ 40.981″[2] |
| Apparent magnitude (V) | 9.745±0.026[3] |
| Characteristics | |
| Evolutionary stage | main sequence[2] |
| Spectral type | F5V[4] |
| Variable type | planetary transit[4] |
| Astrometry | |
| Radial velocity (Rv) | −5.21±0.27[2] km/s |
| Proper motion (μ) | RA: 29.428 mas/yr[2] Dec.: −6.864 mas/yr[2] |
| Parallax (π) | 6.2205±0.0172 mas[2] |
| Distance | 524 ± 1 ly (160.8 ± 0.4 pc) |
| Details[5] | |
| Mass | 1.21+0.13 −0.12 M☉ |
| Radius | 1.306+0.066 −0.073 R☉ |
| Surface gravity (log g) | 4.312+0.061 −0.047[6] cgs |
| Temperature | 6480±100 K |
| Metallicity [Fe/H] | 0.0±0.2 dex |
| Rotational velocity (v sin i) | 4.9±1.0 km/s |
| Age | 750±250 Myr |
| Other designations | |
| BD+22 2716, SAO 83398, PPM 103396, TOI-5631, TIC 347430350, WASP-14, TYC 1482-882-1, GSC 01482-00882, 2MASS J14330635+2153409[7] | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
Planetary system
WASP-14b is an exoplanet discovered in 2008. It is a massive hot Jupiter on a moderately eccentric orbit. At the time of discovery, it was one of the densest exoplanets known.[8] Its radius best fits the model of Fortney.[10]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | 7.22+0.49 −0.50 MJ |
0.0358+0.0012 −0.0013 |
2.2437661(11) | 0.0782+0.0014 −0.0012 |
84.32+0.67 −0.57° |
1.281+0.075 −0.082 RJ |
