WASP-14

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]

WASP-14

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
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]

The WASP-14 planetary system^[5]

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