WASP-14
Star in the constellation Boötes From Wikipedia, the free encyclopedia
WASP-14 or BD+22 2716 is a star in the constellation Boötes. The SuperWASP project has observed and classified this star as a variable star, perhaps due to the eclipsing planet.[2]
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Boötes |
Right ascension | 14h 33m 06.3574s[1] |
Declination | +21° 53′ 40.975″[1] |
Apparent magnitude (V) | 9.745 ± 0.026 |
Characteristics | |
Spectral type | F5V |
Variable type | V*(1SWASP)[2] |
Astrometry | |
Proper motion (μ) | RA: 28.7±0.6[3] mas/yr Dec.: −6.6±0.8[3] mas/yr |
Parallax (π) | 6.1442±0.0305 mas[2] |
Distance | 531 ± 3 ly (162.8 ± 0.8 pc) |
Absolute magnitude (MV) | 10.194 ± 0.029 |
Details | |
Mass | ~1.319 M☉ |
Radius | ~1.297 R☉ |
Luminosity | 2.61 L☉ |
Surface gravity (log g) | ~21,9 g cgs |
Temperature | 6475 ± 100 K |
Metallicity [Fe/H] | 0 ± 0.2 dex |
Age | 750 ± 250 Myr |
Other designations | |
BD+22° 2716, 2MASS J14330635+2153409, PPM 103396, TYC 1482-882-1, GSC 01482-00882, SAO 83398, Gaia DR2 1242084170974175232 | |
Database references | |
SIMBAD | data |
Data sources: | |
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
Planetary system
WASP-14b is an extrasolar planet discovered in 2008. This is one of the densest exoplanets known.[4] Its radius best fits the model of Fortney.[5]
Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
---|---|---|---|---|---|---|
b | ~7.725 MJ | ~0.037 | ~2.243756 | ~0.095 | 84.79° | 1.259 RJ |
See also
References
External links
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