WASP-88
WASP-88 is a F-type main-sequence star. Its surface temperature is 6450±61 K. WASP-88 is similar to the Sun in its concentration of heavy elements, with a metallicity Fe/H index of 0.03±0.04, and is younger at an age of 3.0±1.3 billion years.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Indus |
| Right ascension | 20h 38m 02.6870s |
| Declination | −48° 27′ 43.4255″ |
| Apparent magnitude (V) | 11.39 |
| Characteristics | |
| Evolutionary stage | main-sequence star or subgiant star |
| Spectral type | F6 |
| Astrometry | |
| Radial velocity (Rv) | −5.1±0.6 km/s |
| Proper motion (μ) | RA: 5.890 mas/yr Dec.: −4.892 mas/yr |
| Parallax (π) | 1.7844 ± 0.0185 mas |
| Distance | 1,830 ± 20 ly (560 ± 6 pc) |
| Position (relative to WASP-88) | |
| Component | WASP-88B |
| Epoch of observation | 2017 |
| Angular distance | 3.350±0.015″ |
| Position angle | 355.5±0.5° |
| Projected separation | 1877±8 AU |
| Details | |
| WASP-88 | |
| Mass | 1.450±0.050 M☉ |
| Radius | 2.08+0.12 −0.06 R☉ |
| Surface gravity (log g) | 4.24±0.06 cgs |
| Temperature | 6450±61 K |
| Metallicity [Fe/H] | 0.03±0.04 dex |
| Rotational velocity (v sin i) | 8.4±0.8 km/s |
| Age | 3.0±1.3 Gyr |
| WASP-88B | |
| Mass | 0.11+0.03 −0.02 M☉ |
| Temperature | 2844+155 −209 K |
| Other designations | |
| Database references | |
| SIMBAD | data |
A multiplicity survey did detect a candidate red dwarf companion to WASP-88 in 2020, with a 1.65% probability of it being an unrelated background star.
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