WASP-159
WASP-159 is a faint star located in the southern constellation Caelum. With an apparent magnitude of 12.84, a powerful telescope is needed to see the star. The star is located 2,380 light-years (730 parsecs) based on parallax, but is drifting away with a heliocentric radial velocity of +35.16 km/s.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Caelum |
| Right ascension | 04h 32m 32.76s |
| Declination | −38° 58′ 05.95″ |
| Apparent magnitude (V) | 12.84±0.24 |
| Characteristics | |
| Spectral type | F9IV |
| B−V color index | -0.21 |
| Astrometry | |
| Radial velocity (Rv) | +35.16±0.01 km/s |
| Proper motion (μ) | RA: −0.767±0.034 mas/yr Dec.: +5.443±0.042 mas/yr |
| Parallax (π) | 1.3689 ± 0.0206 mas |
| Distance | 2,380 ± 40 ly (730 ± 10 pc) |
| Details | |
| Mass | 1.41±0.12 M☉ |
| Radius | 2.11±0.10 R☉ |
| Luminosity | 4.78+0.23 −0.21 L☉ |
| Surface gravity (log g) | 3.94±0.04 cgs |
| Temperature | 6,120±140 K |
| Metallicity [Fe/H] | +0.22±0.12 dex |
| Rotational velocity (v sin i) | 5.7±0.4 km/s |
| Age | 3.40±0.95 Gyr |
| Other designations | |
Gaia DR2 4864759888238232320 | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
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