V529 Andromedae
V529 Andromedae, also known as HD 8801, is a variable star in the constellation of Andromeda. It has a 13th magnitude visual companion star 15" away, which is just a distant star on the same line of sight.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Andromeda |
| Right ascension | 01h 27m 26.6729s |
| Declination | +41° 06′ 04.178″ |
| Apparent magnitude (V) | 6.46 |
| Characteristics | |
| Spectral type | Am(kA5/hF1/mF2) |
| U−B color index | 0.03 |
| B−V color index | 0.27 |
| V−R color index | 0.26 |
| R−I color index | 0.16 |
| Variable type | γ Doradus and δ Scuti |
| Astrometry | |
| Radial velocity (Rv) | 0.8±0.3 km/s |
| Proper motion (μ) | RA: 9.611±0.030 mas/yr Dec.: 25.910±0.024 mas/yr |
| Parallax (π) | 18.7624 ± 0.0298 mas |
| Distance | 173.8 ± 0.3 ly (53.30 ± 0.08 pc) |
| Absolute magnitude (MV) | +2.68 |
| Details | |
| Mass | 1.55±0.1 M☉ |
| Radius | 1.7±0.1 R☉ |
| Luminosity | 6.5±0.6 L☉ |
| Surface gravity (log g) | 4.1±0.2 cgs |
| Temperature | 7560±180 K |
| Metallicity | +0.11 |
| Rotational velocity (v sin i) | 53.1±0.5 km/s |
| Age | 727 Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
It is also an Am star with a spectral classification Am(kA5/hF1/mF2), meaning that it has the calcium K line of a star with spectral type A5, the Balmer series of a F1 star, and metallic lines of an F2 star.
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