| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aquarius |
| Right ascension | 22h 10m 33.74601s[1] |
| Declination | −04° 16′ 00.6776″[1] |
| Apparent magnitude (V) | 5.979[2] |
| Characteristics | |
| Spectral type | KG8/0III[3] |
| U−Bcolor index | 0.84[4] |
| B−Vcolor index | 0.981[3] |
| Astrometry | |
| Radial velocity (Rv) | −18.1[5] km/s |
| Proper motion (μ) | RA: +71.82[1]mas/yr Dec.: +3.74[1]mas/yr |
| Parallax (π) | 9.81±0.44 mas[1] |
| Distance | 330 ± 10 ly (102 ± 5 pc) |
| Absolute magnitude (MV) | 1.30[3] |
| Details | |
| Mass | 2.4[3] M☉ |
| Surface gravity (log g) | 3.0[3][2] cgs |
| Temperature | 4,928[3][2] K |
| Metallicity [Fe/H] | 0.090±0.090[3][2] dex |
| Rotational velocity (v sin i) | 3.3[3] km/s |
| Age | 630[3] Myr |
| Other designations | |
| BD-04° 5625,HD 210434,HIP 109466,HR 8453,SAO 145916. | |
| Database references | |
| SIMBAD | data |
HD 210434 is asubgiant star[3] in the equatorialconstellation ofAquarius. According to theBortle scale, anapparent magnitude of six means this star is faintly visible to the naked eye from dark rural skies. It is an estimated 630 million years old with 2.4 times themass of the Sun.[3]
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 | This giant-star-related article is astub. You can help Wikipedia byexpanding it. |
