WASP-75

WASP-75 is a F-type main-sequence star about 980 light-years away. The star is much younger than the Sun at approximately 2.9±0.2 billion years.^[6] WASP-75 is similar to the Sun in its concentration of heavy elements.^[5]

WASP-75

Observation data Epoch J2000      Equinox J2000
Constellation	Aquarius[1]
Right ascension	22h 49m 32.5676s[2]
Declination	−10° 40′ 31.926″[2]
Apparent magnitude (V)	11.299[3]
Characteristics
Evolutionary stage	Main sequence[4]
Spectral type	F9[5]
Astrometry
Radial velocity (Rv)	2.7±0.8[2] km/s
Proper motion (μ)	RA: 45.892[2] mas/yr Dec.: 15.428[2] mas/yr
Parallax (π)	3.3387±0.0202 mas[2]
Distance	977 ± 6 ly (300 ± 2 pc)
Details[3]
Mass	1.18 M☉
Radius	1.39 R☉
Luminosity	1.1±0.01[6] L☉
Surface gravity (log g)	4.233 cgs
Temperature	6090 K
Metallicity [Fe/H]	0.07±0.09[5] dex
Rotation	11.2±1.5 d[5]
Age	2.9±0.2[6] Gyr
Other designations
BD−11 5929, Gaia DR3 2605161444735454464, K2-40, EPIC 206154641, GSC 05816-01135, 2MASS J22493256-1040320[7]
Database references
SIMBAD	data

Planetary system

In 2013 a transiting hot Jupiter planet b was detected on a tight, circular orbit,^[8] and the planet was confirmed in 2018.^[5] Its equilibrium temperature is 1,688 K.^[5]

The WASP-75 planetary system^[9]

Companion (in order from star)	Mass	Semimajor axis (AU)	Orbital period (days)	Eccentricity	Inclination	Radius
b	1.08±0.05[5] MJ	0.0377±0.0006[5]	2.484193	<0.1	81.96±0.02[5]°	1.31±0.02[5] RJ