HD 74156
HD 74156 is a yellow dwarf star (spectral type G0V) in the constellation of Hydra, 187 light years from the Solar System. It is known to be orbited by two giant planets.
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Hydra |
| Right ascension | 08h 42m 25.12195s |
| Declination | +04° 34′ 41.1457″ |
| Apparent magnitude (V) | +7.614 |
| Characteristics | |
| Spectral type | G0V |
| U−B color index | ? |
| B−V color index | 0.581 |
| V−R color index | 0.4 |
| R−I color index | 0.2 |
| Variable type | “None” |
| Astrometry | |
| Radial velocity (Rv) | 3.90±0.13 km/s |
| Proper motion (μ) | RA: 24.666±0.025 mas/yr Dec.: −200.238±0.019 mas/yr |
| Parallax (π) | 17.4242 ± 0.0247 mas |
| Distance | 187.2 ± 0.3 ly (57.39 ± 0.08 pc) |
| Absolute magnitude (MV) | +3.57 ± 0.15 |
| Details | |
| Mass | 1.24 M☉ |
| Radius | 1.64 ± 0.19 R☉ |
| Luminosity (bolometric) | 3.037 ± 0.485 L☉ |
| Surface gravity (log g) | 4.4 ± 0.15 cgs |
| Temperature | 5960 ± 100 K |
| Metallicity [Fe/H] | +0.13 dex |
| Rotational velocity (v sin i) | 4.3 km/s |
| Age | 3.7 ± 0.4 Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
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