HD 214448
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Aquarius |
| Right ascension | 22h 38m 22.14533s[1] |
| Declination | −07° 53′ 51.2116″[1] |
| Apparent magnitude (V) | 6.23[2] (6.64/8.11)[3] |
| Characteristics | |
| Spectral type | K0III + F2[4] |
| U−B color index | +0.49[2] |
| B−V color index | +0.78[2] |
| Variable type | Suspected[5] |
| Astrometry | |
| Radial velocity (Rv) | −18.34±0.27[6] km/s |
| Proper motion (μ) | RA: +74.25[1] mas/yr Dec.: −0.98[1] mas/yr |
| Parallax (π) | 8.38 ± 0.62[1] mas |
| Distance | 390 ± 30 ly (119 ± 9 pc) |
| Absolute magnitude (MV) | 0.498[6] |
| Orbit[5] | |
| Period (P) | 147.07±8.09 yr |
| Semi-major axis (a) | 0.249±0.051" |
| Eccentricity (e) | 0.44±0.37 |
| Inclination (i) | 73.6±6.2° |
| Longitude of the node (Ω) | 110.3±3.3° |
| Argument of periastron (ω) (secondary) |
191.9±14.7° |
| Details | |
| Temperature | 5,645[7] K |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
|
HD 214448 is a binary star system in the equatorial constellation of Aquarius. They orbit each other with a period of around 147 years. The combined mass of the pair is twice that of the Sun.[5]
References
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