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.^[5] WASP-75 is similar to the Sun in its concentration of heavy elements.^[3]

WASP-75

Observation data Epoch J2000      Equinox J2000
Constellation	Aquarius
Right ascension	22h 49m 32.5677s[1]
Declination	−10° 40′ 31.9275″[1]
Apparent magnitude (V)	11.299[2]
Characteristics
Evolutionary stage	Main sequence[citation needed]
Spectral type	F9[3]
Astrometry
Radial velocity (Rv)	2.7±0.8[4] km/s
Proper motion (μ)	RA: 45.892[4] mas/yr Dec.: 15.428[4] mas/yr
Parallax (π)	3.3387±0.0202 mas[4]
Distance	977 ± 6 ly (300 ± 2 pc)
Details[2]
Mass	1.18 M☉
Radius	1.39 R☉
Luminosity	1.1±0.01[5] L☉
Surface gravity (log g)	4.233 cgs
Temperature	6090 K
Metallicity [Fe/H]	0.07±0.09[3] dex
Rotation	11.2±1.5 d[3]
Age	2.9±0.2[5] Gyr
Other designations
BD−11 5929, Gaia DR3 2605161444735454464, K2-40, EPIC 206154641, GSC 05816-01135, 2MASS J22493256-1040320[1]
Database references
SIMBAD	data

Planetary system

In 2013 a transiting hot Jupiter planet b was detected on a tight, circular orbit,^[6] and the planet was confirmed in 2018.^[3] Its equilibrium temperature is 1,688 K.^[3]

The WASP-75 planetary system^[7]

Companion (in order from star)	Mass	Semimajor axis (AU)	Orbital period (days)	Eccentricity	Inclination	Radius
b	1.08±0.05[3] MJ	0.0377±0.0006[3]	2.484193	<0.1	81.96±0.02[3]°	1.31±0.02[3] RJ