HD 218061
From Wikipedia, the free encyclopedia
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aquarius[1] |
| Right ascension | 23h 5m 12.854s[2] |
| Declination | −17° 4′ 45.28″[2] |
| Apparent magnitude (V) | 6.14[3] |
| Characteristics | |
| Evolutionary stage | red giant branch[2] |
| Spectral type | K4III[4] |
| Astrometry | |
| Radial velocity (Rv) | 14.67±0.17[5] km/s |
| Proper motion (μ) | RA: −40.851[2] mas/yr Dec.: −37.904[2] mas/yr |
| Parallax (π) | 5.2458±0.0418 mas[2] |
| Distance | 622 ± 5 ly (191 ± 2 pc) |
| Absolute magnitude (MV) | −0.31[1] |
| Details | |
| Mass | 1.8[2] M☉ |
| Radius | 25[6] R☉ |
| Luminosity | 196[6] L☉ |
| Surface gravity (log g) | 1.50[7] cgs |
| Temperature | 4,291[6] K |
| Metallicity [Fe/H] | −0.20[7] dex |
| Age | 1.6[2] Gyr |
| Other designations | |
| BD−17°6661, HD 218061, HIP 113998, HR 8783, SAO 165481[8] | |
| Database references | |
| SIMBAD | data |
HD 218061 is a class K4III (orange giant) star in the constellation Aquarius. Its apparent magnitude is 6.14 and it is approximately 622 light years away based on parallax.
It has a companion B of apparent magnitude 11.4 and separation 55.1".[9]