WASP-34
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Crater | 
| Right ascension | 11h 01m 35.8978s | 
| Declination | –23° 51′ 38.387″ | 
| Apparent magnitude (V) | +10.28 | 
| Characteristics | |
| Spectral type | G5 | 
| Astrometry | |
| Radial velocity (Rv) | 49.84±0.21 km/s | 
| Proper motion (μ) | RA: -43.846 mas/yr Dec.: -65.637 mas/yr | 
| Parallax (π) | 7.6211±0.0164 mas | 
| Distance | 428.0 ± 0.9 ly (131.2 ± 0.3 pc) | 
| Details | |
| Mass | 1.01±0.07 M☉ | 
| Radius | 0.93±0.12 R☉ | 
| Luminosity | 1.19±0.03 L☉ | 
| Surface gravity (log g) | 4.5±0.1 cgs | 
| Temperature | 5,700±100 K | 
| Metallicity [Fe/H] | −0.02±0.10 dex | 
| Rotation | 34±15 d | 
| Rotational velocity (v sin i) | 1.4±0.6 km/s | 
| Age | 6.8±1.3 Gyr | 
| Other designations | |
| Amansinaya, CD−23 9677, CPD−23 5039, SAO 179442, TOI-744, TIC 437242640, WASP-34, TYC 6636-540-1, GSC 06636-00540, 2MASS J11013589-2351382, DENIS J110135.9-235138 | |
| Database references | |
| SIMBAD | data | 
| Exoplanet Archive | data | 
WASP-34, also named Amansinaya, is a sunlike star of spectral type G5V that has 1.01 times the mass and 0.93 times the diameter of the Sun. It rotates on its axis every 34±15 days, indicating it is around 6.7 billion years old. It hosts at least one exoplanet.