Observation data Epoch J2000 Equinox J2000 |
|
---|---|
Constellation | Andromeda |
Right ascension | 00h 00m 43.63s [1] |
Declination | +45° 15′ 12.0″ [1] |
Apparent magnitude (V) | 6.38 |
Characteristics | |
Spectral type | A0Vp |
U−B color index | -0.33 |
B−V color index | -0.05 |
Variable type | Alpha² CVn variable |
Astrometry | |
Radial velocity (Rv) | -3 km/s |
Proper motion (μ) | RA: 17.45 ± 0.22 [1] mas/yr Dec.: -0.01 ± 0.21 [1] mas/yr |
Parallax (π) | 5.32 ± 0.32[1] mas |
Distance | 610 ± 40 ly (190 ± 10 pc) |
Absolute magnitude (MV) | 6.42 |
Details | |
Mass | 3.1 M☉ |
Radius | 2.1 R☉ |
Luminosity | 40 L☉ |
Temperature | 7,500–10,000 K |
Other designations | |
Database references | |
SIMBAD | data |
CG Andromedae is a variable star.