WASP-17
| Observation data Epoch J2000.0 Equinox ICRS | |
|---|---|
| Constellation | Scorpius |
| Right ascension | 15h 59m 50.9492s |
| Declination | −28° 03′ 42.313″ |
| Apparent magnitude (V) | 11.500 |
| Characteristics | |
| Evolutionary stage | main sequence |
| Spectral type | F6V |
| Astrometry | |
| Radial velocity (Rv) | −48.34±1.07 km/s |
| Proper motion (μ) | RA: −8.263(29) mas/yr Dec.: −9.427(22) mas/yr |
| Parallax (π) | 2.4811±0.0255 mas |
| Distance | 1,310 ± 10 ly (403 ± 4 pc) |
| Details | |
| Mass | 1.56±0.30 M☉ |
| Radius | 1.494±0.063 R☉ |
| Luminosity | 4.0±0.2 L☉ |
| Surface gravity (log g) | 4.29±0.08 cgs |
| Temperature | 6689±112 K |
| Metallicity [Fe/H] | = −0.190±0.065 dex |
| Rotational velocity (v sin i) | 10.6±1.3 km/s |
| Age | 2.65±0.25 Gyr |
| Other designations | |
| Dìwö, CD−27 10695, TOI-1050, TIC 66818296, WASP-17, TYC 6787-1927-1, 2MASS J15595095-2803422, 1SWASP J155950.94−280342.3 | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
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WASP-17, also named Dìwö, is an F-type main sequence star approximately 1,310 light-years away in the constellation Scorpius. It hosts the planet WASP-17b.
The star is depleted of carbon. The carbon to oxygen molar ratio of 0.18±0.04 for WASP-17 is well below the solar ratio of 0.55.