WASP-10
WASP-10 is a star in the constellation Pegasus. The SuperWASP project has observed and classified this star as a variable star, perhaps due to the eclipsing planet.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Pegasus |
| Right ascension | 23h 15m 58.3005s |
| Declination | +31° 27′ 46.295″ |
| Apparent magnitude (V) | 12.7 |
| Characteristics | |
| Spectral type | K5 |
| Apparent magnitude (B) | ~12.4 |
| Apparent magnitude (R) | ~12.03 |
| Apparent magnitude (J) | 10.603 ±0.026 |
| Apparent magnitude (H) | 10.117 ±0.029 |
| Apparent magnitude (K) | 9.983 ±0.018 |
| Variable type | V*(1SWASP) |
| Astrometry | |
| Proper motion (μ) | RA: 25.110±0.052 mas/yr Dec.: −25.269±0.048 mas/yr |
| Parallax (π) | 7.0636 ± 0.0372 mas |
| Distance | 462 ± 2 ly (141.6 ± 0.7 pc) |
| Details | |
| Mass | 0.71+0.086 −0.071 M☉ |
| Radius | 0.783 −0.043+0.035 R☉ |
| Temperature | 4675 ±100 K |
| Metallicity | 0.03±0.2 |
| Rotation | 11.91±0.05 d |
| Age | 6.00±4.12 Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
The star is likely older than Sun, has fraction of heavy elements close to solar abundance, and is rotating rapidly, being spun up by the tides raised by the giant planet on the close orbit.
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