Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Perseus |
Right ascension | 03h 18m 43.82583s[1] |
Declination | 34° 13′ 21.5473″[1] |
Apparent magnitude (V) | 4.82[2] |
Characteristics | |
Spectral type | K2IICN1[3] |
U−B color index | +1.55[2] |
B−V color index | +1.49[2] |
Astrometry | |
Radial velocity (Rv) | +1.80[4] km/s |
Proper motion (μ) | RA: +2.75[1] mas/yr Dec.: -8.87[1] mas/yr |
Parallax (π) | 2.77 ± 0.23 mas[1] |
Distance | 1,180 ± 100 ly (360 ± 30 pc) |
Absolute magnitude (MV) | -2.92[5] |
Details | |
Mass | 7.0[6] M☉ |
Luminosity | 3512[7] L☉ |
Surface gravity (log g) | 1.09[8] cgs |
Temperature | 4,369[8] K |
Metallicity [Fe/H] | +0.03[8] dex |
Rotational velocity (v sin i) | 5.9[9] km/s |
Other designations | |
Database references | |
SIMBAD | data |
HD 20468 is a class K2II[3] (orange bright giant) star in the constellation Perseus. Its apparent magnitude is 4.82[2] and it is approximately 1180 light years away based on parallax.[1]