| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Andromeda |
| Right ascension | 23h 49m 40.9602s |
| Declination | +36° 25′ 31.011″ |
| Apparent magnitude (V) | 5.9 |
| Characteristics | |
| Spectral type | G1IIIe |
| B−V color index | 0.79 |
| Variable type | Rotating ellipsoidal variable |
| Astrometry | |
| Radial velocity (Rv) | 0.7 km/s |
| Proper motion (μ) | RA: 0.20 mas/yr Dec.: -47.81 mas/yr |
| Parallax (π) | 7.41 ± 0.7 mas |
| Distance | 440 ± 40 ly (130 ± 10 pc) |
| Absolute magnitude (MV) | 6.69 |
| Details | |
| Mass | 1.1 M☉ |
| Radius | 1.1 R☉ |
| Luminosity | 1.2 L☉ |
| Temperature | 5.000–6.000 K |
| Metallicity | ? |
| Rotation | 0.0636550308 Year |
| Age | ? years |
| Other designations | |
| Database references | |
| SIMBAD | data |
OU Andromedae is a rotationally variable star.