HD 214810
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Aquarius |
| Right ascension | 22h 40m 47.95600s[1] |
| Declination | −03° 33′ 15.2789″[1] |
| Apparent magnitude (V) | 6.32 (6.52 + 8.63)[2] |
| Characteristics | |
| Spectral type | G9 V Fe-0.7[3] |
| U−B color index | −0.02[4] |
| B−V color index | +0.52[4] |
| Astrometry | |
| Radial velocity (Rv) | 13.73 km/s |
| Proper motion (μ) | RA: -7.52[1] mas/yr Dec.: -45.25[1] mas/yr |
| Parallax (π) | 28.93 ± 0.77[1] mas |
| Distance | 113 ± 3 ly (34.6 ± 0.9 pc) |
| Orbit[2] | |
| Period (P) | 54.20 yr |
| Semi-major axis (a) | 0.360" |
| Details | |
| HD 214810 A | |
| Mass | 1.26[5] M☉ |
| Surface gravity (log g) | 4.19[3] cgs |
| Temperature | 6,151[3] K |
| Metallicity [Fe/H] | −0.22[3] dex |
| Age | 3.7[6] Gyr |
| HD 214810 B | |
| Mass | 0.87[5] M☉ |
| Other designations | |
| 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.[2]
References
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