HD 14622
Star in the constellation Andromeda
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HD 14622 is a single[6][10] star in the northern constellation of Andromeda. It is dimly visible to the naked eye under good seeing conditions, having an apparent visual magnitude of 5.81.[1] Based upon an annual parallax shift of 20.7 mas,[2] it is located 158 light years away. The star is moving closer to the Earth with a heliocentric radial velocity of −35 km/s,[5] and is predicted to come within 96 light-years in around 812,000 years.[1]
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Andromeda[1] |
| Right ascension | 02h 22m 50.30342s[2] |
| Declination | +41° 23′ 46.6575″[2] |
| Apparent magnitude (V) | 5.81[1] |
| Characteristics | |
| Evolutionary stage | main sequence[2] |
| Spectral type | F0 III–IV[3] |
| B−V color index | 0.289±0.006[1] |
| Variable type | suspected[4] |
| Astrometry | |
| Radial velocity (Rv) | −34.5±2.9[5] km/s |
| Proper motion (μ) | RA: +75.147[2] mas/yr Dec.: −98.755[2] mas/yr |
| Parallax (π) | 20.6905±0.0612 mas[2] |
| Distance | 157.6 ± 0.5 ly (48.3 ± 0.1 pc) |
| Absolute magnitude (MV) | 2.45[1] |
| Details | |
| Mass | 1.69[6] M☉ |
| Radius | 1.8[7] R☉ |
| Luminosity | 8.4[7] L☉ |
| Surface gravity (log g) | 4.12[7] cgs |
| Temperature | 7,241[7] K |
| Rotational velocity (v sin i) | 43±2[8] km/s |
| Age | 890[6] Myr |
| Other designations | |
| BD+40°500, FK5 2161, HD 14622, HIP 11090, HR 687, SAO 37986, WDS J02228+4124A[9] | |
| Database references | |
| SIMBAD | data |
The stellar classification of HD 14622 is F0 III–IV,[3] showing a mixed spectrum of an evolving subgiant and giant star; suggesting this is an intermediate-mass star that has used up its core hydrogen and evolved away from the main sequence. However, evolutionary models show it is still on the main sequence.[2] The star is suspected of being slightly variable, but this has not been conclusively proven.[4] It is around 890[6] million years old with 1.69[6] times the mass of the Sun. The star is radiating 8.4 times the Sun's luminosity from its photosphere at an effective temperature of approximately 7,241.[7]