Nu2 Canis Majoris
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Canis Major |
| Right ascension | 06h 36m 41.03758s |
| Declination | −19° 15′ 21.1659″ |
| Apparent magnitude (V) | 3.96 |
| Characteristics | |
| Spectral type | K1 III |
| Astrometry | |
| Radial velocity (Rv) | +2.57±0.14 km/s |
| Proper motion (μ) | RA: +62.57±0.15 mas/yr Dec.: −69.97±0.16 mas/yr |
| Parallax (π) | 50.63±0.23 mas |
| Distance | 64.4 ± 0.3 ly (19.75 ± 0.09 pc) |
| Absolute magnitude (MV) | 2.47 |
| Details | |
| Mass | 1.439±0.047 M☉ |
| Radius | 5.198±0.060 R☉ |
| Luminosity | 13.2±0.7 L☉ |
| Surface gravity (log g) | 3.165±0.005 cgs |
| Temperature | 4,790±27 K |
| Metallicity [Fe/H] | 0.21±0.10 dex |
| Rotational velocity (v sin i) | 1.97±0.23 km/s |
| Age | 4.6±0.7 Gyr |
| Other designations | |
| ν2 CMa, 7 CMa, BD−19°1502, FK5 2510, GC 8624, GJ 239.1, HD 47205, HIP 31592, HR 2429, SAO 151702 | |
| Database references | |
| SIMBAD | data |
Nu2 Canis Majoris (ν2 Canis Majoris) is a single star in the southern constellation of Canis Major. It is a cool giant with two confirmed exoplanets.