HD 214810
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| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aquarius[1] |
| Right ascension | 22h 40m 47.95600s[2] |
| Declination | −03° 33′ 15.2789″[2] |
| Apparent magnitude (V) | 6.32 (6.52 + 8.63)[3] |
| Characteristics | |
| Spectral type | G9 V Fe-0.7[4] |
| U−B color index | −0.02[5] |
| B−V color index | +0.52[5] |
| Astrometry | |
| Radial velocity (Rv) | 13.73 km/s |
| Proper motion (μ) | RA: −7.52[2] mas/yr Dec.: −45.25[2] mas/yr |
| Parallax (π) | 28.93±0.77 mas[2] |
| Distance | 113 ± 3 ly (34.6 ± 0.9 pc) |
| Absolute magnitude (MV) | +3.63[1] |
| Orbit[6] | |
| Period (P) | 54.57±0.30 yr |
| Semi-major axis (a) | 0.367±0.003″ |
| Eccentricity (e) | 0.005±0.003 |
| Inclination (i) | 87.5±0.5° |
| Longitude of the node (Ω) | 128.9±0.5° |
| Periastron epoch (T) | B 1969.38±1.5 |
| Argument of periastron (ω) (secondary) | 12.9±20.0° |
| Details | |
| HD 214810 A | |
| Mass | 1.26[7] M☉ |
| Surface gravity (log g) | 4.19[4] cgs |
| Temperature | 6,151[4] K |
| Metallicity [Fe/H] | −0.22[4] dex |
| Age | 3.7[8] Gyr |
| HD 214810 B | |
| Mass | 0.87[7] M☉ |
| Other designations | |
| BD−04°5728, HD 214810, HIP 111965, HR 8629, SAO 146239 | |
| Database references | |
| SIMBAD | data |
HD 214810 is a visual binary star in the equatorial constellation of Aquarius. The pair orbit each other with a period of about 54.2 years.[3]
References
[edit | edit source]- ^ a b Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ a b c d e Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ a b Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ a b c d Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ a b Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ a b Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
External links
[edit | edit source]
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