HD 222641
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Andromeda |
| Right ascension | 23h 42m 14.66667s[1] |
| Declination | +44° 59′ 30.1690″[1] |
| Apparent magnitude (V) | 6.551±0.001[2] |
| Characteristics | |
| Spectral type | K5III |
| U−B color index | 1.75[3] |
| B−V color index | 1.51[3] |
| Astrometry | |
| Radial velocity (Rv) | −12.56±0.21[2] km/s |
| Proper motion (μ) | RA: −19.65±0.30[1] mas/yr Dec.: −17.84±0.27[1] mas/yr |
| Parallax (π) | 4.40 ± 0.39[1] mas |
| Distance | 740 ± 70 ly (230 ± 20 pc) |
| Details | |
| Surface gravity (log g) | 2.0[4] cgs |
| Temperature | 4,070[4] K |
| Metallicity [Fe/H] | −0.27±0.09[5] dex |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 222641 is a suspected variable star in the constellation Andromeda.
References
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