WASP-78
WASP-78, is a single F-type main-sequence star about 2500 light-years away. It is likely to be younger than the Sun at 3.4+1.5
−0.8 billion years. WASP-78 is depleted in heavy elements, having a 45% concentration of iron compared to the Sun.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Eridanus |
| Right ascension | 04h 15m 01.5044s |
| Declination | −22° 06′ 59.1039″ |
| Apparent magnitude (V) | 12.0 |
| Characteristics | |
| Evolutionary stage | main-sequence star |
| Spectral type | F8 |
| Astrometry | |
| Radial velocity (Rv) | 1.26 km/s |
| Proper motion (μ) | RA: -0.463 mas/yr Dec.: 6.424 mas/yr |
| Parallax (π) | 1.2968 ± 0.0292 mas |
| Distance | 2,520 ± 60 ly (770 ± 20 pc) |
| Details | |
| Mass | 1.33±0.09 M☉ |
| Radius | 2.20±0.12 R☉ |
| Luminosity | 5.8±0.2 L☉ |
| Surface gravity (log g) | 3.88±0.04 cgs |
| Temperature | 6100±150 K |
| Metallicity [Fe/H] | -0.35±0.14 dex |
| Rotation | 0.4±0.4 |
| Rotational velocity (v sin i) | 6.63±0.16 km/s |
| Age | 3.4+1.5 −0.8 Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
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