Innes' star
Location of Innes' star in the constellation Carina | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Carina |
| Right ascension | 11h 16m 00.20445s |
| Declination | −57° 32′ 51.5751″ |
| Apparent magnitude (V) | 11.516 |
| Characteristics | |
| Spectral type | M3.5V |
| U−B color index | +0.92 |
| B−V color index | -0.22 |
| Astrometry | |
| Radial velocity (Rv) | −50.70±0.30 km/s |
| Proper motion (μ) | RA: −2,468.407 mas/yr Dec.: +1,184.175 mas/yr |
| Parallax (π) | 78.8922±0.0319 mas |
| Distance | 41.34 ± 0.02 ly (12.676 ± 0.005 pc) |
| Absolute magnitude (MV) | 11.00 |
| Details | |
| Mass | 0.360±0.012 M☉ |
| Radius | 0.371±0.012 R☉ |
| Luminosity | 0.0173±0.0005 L☉ |
| Temperature | 3,459±95 K |
| Metallicity [Fe/H] | −0.17±0.11 dex |
| Other designations | |
| Innes' star, GJ 422, HD 304043, HIP 55042, Ci 20 624, L 192-72, LFT 784, LHS 40, LPM 378, LTT 4167, PLX 2621, TYC 8624-3387-1 | |
| Database references | |
| SIMBAD | data |
Innes' star /ˈɪnɪs/, or Gliese 422, is an M3.5-type red dwarf star, located in the constellation Carina.
This star has 36% of the Sun's mass and 37% of the Sun's radius, yet only 1.7% of its luminosity, and an effective temperature of 3,459 K.