WASP-29
WASP-29 is a binary star system 285 light-years (87 parsecs) away in the constellation of Phoenix. The primary star is a K-type main-sequence star. Its comoving companion, a red dwarf star, was discovered in 2021. The star system kinematically belongs to the thin disk of the Milky Way.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Phoenix |
| Right ascension | 23h 51m 31.08391s |
| Declination | −39° 54′ 24.2582″ |
| Apparent magnitude (V) | 11.33 |
| Characteristics | |
| WASP-29A | |
| Evolutionary stage | main sequence star |
| Spectral type | K4V |
| B−V color index | 0.82 |
| J−H color index | 0.478 |
| J−K color index | 0.570 |
| WASP-29B | |
| Spectral type | M3V |
| Astrometry | |
| Radial velocity (Rv) | 24.31±0.20 km/s |
| Proper motion (μ) | RA: −56.767(14) mas/yr Dec.: −88.988(13) mas/yr |
| Parallax (π) | 11.4349 ± 0.0151 mas |
| Distance | 285.2 ± 0.4 ly (87.5 ± 0.1 pc) |
| Position (relative to WASP-29A) | |
| Component | WASP-29B |
| Epoch of observation | 2021 |
| Angular distance | 125.2″ |
| Projected separation | 10994 AU |
| Details | |
| WASP-29A | |
| Mass | 0.825±0.033 M☉ |
| Radius | 0.808±0.044 R☉ |
| Surface gravity (log g) | 4.5±0.2 cgs |
| Temperature | 4800±150 K |
| Metallicity [Fe/H] | 0.11±0.14 dex |
| Rotational velocity (v sin i) | 1.50±0.60 km/s |
| Age | 14+0 −7 Gyr |
| WASP-29B | |
| Mass | 0.38 M☉ |
| Other designations | |
| WASP-29A: Gaia DR3 6534414719318886144 | |
| WASP-29B: Gaia DR3 6534426740931264896 | |
| Database references | |
| SIMBAD | data |
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