WASP-75
Star in the constellation Aquarius
From Wikipedia, the free encyclopedia
WASP-75 is an F-type main-sequence star about 980 light-years away. The star is much younger than the Sun at approximately 2.9 billion years.[6] WASP-75 is similar to the Sun in its concentration of heavy elements.[5]
| 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, K2-40, EPIC 206154641, GSC 05816-01135, 2MASS J22493256-1040320, Gaia DR3 2605161444735454464[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]
| 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 |
