HD 18970
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Perseus |
| Right ascension | 03h 05m 32.41223s |
| Declination | +56° 42′ 20.5858″ |
| Apparent magnitude (V) | 4.77 |
| Characteristics | |
| Evolutionary stage | red giant branch |
| Spectral type | G9.5III |
| U−B color index | +0.85 |
| B−V color index | +1.02 |
| Astrometry | |
| Radial velocity (Rv) | −46.37 km/s |
| Proper motion (μ) | RA: −12.72 mas/yr Dec.: +70.04 mas/yr |
| Parallax (π) | 15.45±0.27 mas |
| Distance | 211 ± 4 ly (65 ± 1 pc) |
| Absolute magnitude (MV) | 0.72 |
| Details | |
| Mass | 1.53 M☉ |
| Radius | 11 R☉ |
| Luminosity | 63.48 L☉ |
| Surface gravity (log g) | 2.54 cgs |
| Temperature | 4,900 K |
| Metallicity [Fe/H] | −0.08 dex |
| Rotational velocity (v sin i) | < 1.0 km/s |
| Other designations | |
| k Persei, BD+56°767, FK5 2217, GC 3674, HIP 14382, HR 918, HD 18970, SAO 23791 | |
| Database references | |
| SIMBAD | data |
HD 18970 is a class G9.5III (yellow giant) star in the constellation Perseus. Its apparent magnitude is 4.77 and it is approximately 211 light years away based on parallax.