HD 28185
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Eridanus |
| Right ascension | 04h 26m 26.323s |
| Declination | −10° 33′ 02.95″ |
| Apparent magnitude (V) | +7.80 |
| Characteristics | |
| Evolutionary stage | Main sequence/subgiant |
| Spectral type | G6.5IV-V |
| B−V color index | 0.750±0.010 |
| Astrometry | |
| Radial velocity (Rv) | 50.40±0.14 km/s |
| Proper motion (μ) | RA: 84.070(18) mas/yr Dec.: −59.637(16) mas/yr |
| Parallax (π) | 25.4868±0.0207 mas |
| Distance | 128.0 ± 0.1 ly (39.24 ± 0.03 pc) |
| Absolute magnitude (MV) | 4.67 |
| Details | |
| Mass | 0.974±0.018 M☉ |
| Radius | 1.048±0.015 R☉ |
| Luminosity | 0.970±0.019 L☉ |
| Surface gravity (log g) | 4.386±0.015 cgs |
| Temperature | 5,602±36 K |
| Metallicity [Fe/H] | 0.19±0.01 dex |
| Rotation | 30 days |
| Age | 8.3±1.0 Gyr |
| Other designations | |
| BD–10°919, HD 28185, HIP 20723, SAO 149631, GSC 05317-00733 | |
| Database references | |
| SIMBAD | data |
HD 28185 is a single yellow dwarf star similar to the Sun, located 128 light-years away from Earth in the constellation Eridanus. The designation HD 28185 refers to its entry in the Henry Draper catalogue. The star is known to possess two long-period extrasolar planets.