WASP-127
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Sextans |
| Right ascension | 10h 42m 14.0837s |
| Declination | −03° 50′ 06.260″ |
| Apparent magnitude (V) | 10.165(46) |
| Characteristics | |
| Evolutionary stage | subgiant |
| Spectral type | G5 |
| Apparent magnitude (J) | 9.092±0.029 |
| Apparent magnitude (H) | 8.738±0.055 |
| Apparent magnitude (K) | 8.641±0.019 |
| Variable type | Planetary transit |
| Astrometry | |
| Radial velocity (Rv) | −8.92±0.06 km/s |
| Proper motion (μ) | RA: 19.133±0.020 mas/yr Dec.: 17.058±0.018 mas/yr |
| Parallax (π) | 6.2241±0.0175 mas |
| Distance | 524 ± 1 ly (160.7 ± 0.5 pc) |
| Details | |
| A | |
| Mass | 0.949+0.022 −0.019 M☉ |
| Radius | 1.335+0.025 −0.029 R☉ |
| Luminosity | 1.8 L☉ |
| Surface gravity (log g) | 4.23±0.02 cgs |
| Temperature | 5,842±14 K |
| Metallicity [Fe/H] | −0.19±0.01 dex |
| Rotational velocity (v sin i) | 0.53+0.07 −0.05 km/s |
| Age | 9.7±1.0 Gyr |
| B | |
| Mass | 0.997 M☉ |
| Radius | 0.929 R☉ |
| Temperature | 5629 K |
| Other designations | |
| BD−03 2978, Gaia DR3 3778075717162985600, TOI-675, TYC 4916-912-1, GSC 04916-00912, 2MASS J10421407-0350062 | |
| Database references | |
| Exoplanet Archive | data |
WASP-127 is an old G5 type star that is around 9.7 billion years old and located 524 light years from Earth in the Constellation of Sextans. It has a mass of 0.9 solar masses, a radius of 1.3 solar radii and a temperature of 5842 Kelvin. There is so far one planet detected, a low density sub-Saturn type.