| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Andromeda |
| Right ascension | 23h 38m 08.20130s |
| Declination | +43° 16′ 05.0649″ |
| Apparent magnitude (V) | +4.29 |
| Characteristics | |
| Spectral type | B8 V |
| U−B color index | –0.29 |
| B−V color index | –0.11 |
| Astrometry | |
| Radial velocity (Rv) | –0.5 km/s |
| Proper motion (μ) |
RA: +27.64 mas/yr Dec.: -1.02 mas/yr |
| Parallax (π) | 6.53 ± 0.16mas |
| Distance | 500 ± 10 ly (153 ± 4 pc) |
| Details | |
| Surface gravity (log g) | 3.35 cgs |
| Temperature | 12,620 K |
| Metallicity [Fe/H] | –0.19 ± 0.14 dex |
| Rotational velocity (v sin i) | 70 km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
Iota Andromedae (ι And, ι Andromedae) is a star in the constellation Andromeda. It has an apparent magnitude of +4.29 and is approximately 500 light years from Earth.
Iota Andromedae is a B-type main sequence star with a stellar classification of B8 V. It is among the least variable stars observed during the Hipparcos mission.