58 Eridani
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Eridanus |
| Right ascension | 04h 47m 36.29171s |
| Declination | –16° 56′ 04.04-4″ |
| Apparent magnitude (V) | 5.47 - 5.51 |
| Characteristics | |
| Evolutionary stage | main sequence |
| Spectral type | G1.5 V CH-0.5 |
| U−B color index | +0.13 |
| B−V color index | +0.64 |
| Variable type | BY Dra |
| Astrometry | |
| Radial velocity (Rv) | 21.60±0.12 km/s |
| Proper motion (μ) | RA: +130.264 mas/yr Dec.: +169.338 mas/yr |
| Parallax (π) | 75.5289±0.0539 mas |
| Distance | 43.18 ± 0.03 ly (13.240 ± 0.009 pc) |
| Absolute magnitude (MV) | 4.87 |
| Details | |
| Mass | 1.053±0.007 M☉ |
| Radius | 1.00 R☉ |
| Luminosity | 0.97±0.05 L☉ |
| Surface gravity (log g) | 4.50±0.02 cgs |
| Temperature | 5,820±5.7 K |
| Metallicity [Fe/H] | 0.030±0.007 dex |
| Rotation | 7.6 days |
| Rotational velocity (v sin i) | 3.37±0.11 km/s |
| Age | 600 Myr |
| Other designations | |
| 58 Eri, IX Eri, BD−17°954, GJ 177, HD 30495, HIP 22263, HR 1532, SAO 149888, LTT 2088 | |
| Database references | |
| SIMBAD | data |
58 Eridani is a main-sequence star in the constellation Eridanus. It is a solar analogue, having similar physical properties to the Sun. The star has a relatively high proper motion across the sky, and it is located 43 light years distant. It is a probable member of the IC 2391 moving group of stars that share a common motion through space.