HD 211392
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aquarius |
| Right ascension | 22h 16m 52.56734s |
| Declination | −09° 02′ 24.1971″ |
| Apparent magnitude (V) | 5.96 |
| Characteristics | |
| Spectral type | K3III |
| U−B color index | +1.14 |
| B−V color index | +1.16 |
| Astrometry | |
| Radial velocity (Rv) | 12.1 km/s |
| Proper motion (μ) | RA: −57.013 mas/yr Dec.: −10.167 mas/yr |
| Parallax (π) | 9.4163±0.0629 mas |
| Distance | 346 ± 2 ly (106.2 ± 0.7 pc) |
| Absolute magnitude (MV) | +0.54 |
| Details | |
| Mass | 1.5 M☉ |
| Radius | 13 R☉ |
| Luminosity | 69 L☉ |
| Surface gravity (log g) | 2.11 cgs |
| Temperature | 4,540 K |
| Metallicity [Fe/H] | 0.01 dex |
| Age | 3.1 Gyr |
| Other designations | |
| BD−09°5948, HD 211392, HIP 110009, HR 8500, SAO 145992 | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
HD 211392 is a suspected variable star in the equatorial constellation of Aquarius, positioned about 346 light-years away. With an apparent magnitude close to six, according to the Bortle scale it is just visible to the naked eye from dark, rural skies. It is a giant star with a stellar classification of K3III.