Alpha Reticuli
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Reticulum |
| Right ascension | 04h 14m 25.47s |
| Declination | −62° 28′ 25.7″ |
| Apparent magnitude (V) | 3.315 |
| Characteristics | |
| Spectral type | G8 II-III |
| U−B color index | +0.63 |
| B−V color index | +0.922 |
| R−I color index | +0.659 |
| Astrometry | |
| Radial velocity (Rv) | +35.5 km/s |
| Proper motion (μ) | RA: +45.069 mas/yr Dec.: +42.948 mas/yr |
| Parallax (π) | 20.3431±0.1859 mas |
| Distance | 160 ± 1 ly (49.2 ± 0.4 pc) |
| Absolute magnitude (MV) | −0.104±0.041 |
| Details | |
| Mass | 3.12±0.03 M☉ |
| Radius | 13.5±0.3 R☉ |
| Luminosity | 91.6±5.8 L☉ |
| Surface gravity (log g) | 2.977±0.087 cgs |
| Temperature | 4,775±100 K |
| Metallicity [Fe/H] | +0.191±0.039 dex |
| Rotational velocity (v sin i) | 4.67±0.36 km/s |
| Age | 330±10 Myr |
| Other designations | |
| Rhombus, α Ret, Alpha Ret, CPD−62 332, FK5 156, GC 5164, HD 27256, HIP 19780, HR 1336, SAO 248969, PPM 353975, CCDM J04144-6228, WDS 04144-6228A | |
| Database references | |
| SIMBAD | data |
Alpha Reticuli, Latinized from α Reticuli, also named Rhombus, is the brightest star in the southern circumpolar constellation of Reticulum, with an apparent visual magnitude of 3.3. This appears to be a solitary star located at a distance of 160 light-years from Earth. Although it is bright enough to be seen with the naked eye, the declination of this star means that it is best viewed from the southern hemisphere and is only readily visible south of the Tropic of Cancer.