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Star in the constellation Aquarius From Wikipedia, the free encyclopedia
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]
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 | |
Database references | |
SIMBAD | data |
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]
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 |
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