46 Leonis Minoris
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Leo Minor |
| Right ascension | 10h 53m 18.70487s |
| Declination | +34° 12′ 53.5375″ |
| Apparent magnitude (V) | 3.83 (3.79–3.84) |
| Characteristics | |
| Evolutionary stage | red clump |
| Spectral type | K0+ III-IV |
| Variable type | suspected |
| Astrometry | |
| Proper motion (μ) | RA: +90.625 mas/yr Dec.: −278.64 mas/yr |
| Parallax (π) | 32.921±0.1775 mas |
| Distance | 99.1 ± 0.5 ly (30.4 ± 0.2 pc) |
| Absolute magnitude (MV) | +1.45 |
| Details | |
| Mass | 1.09±0.04 M☉ |
| Radius | 8.21±0.06 R☉ |
| Luminosity | 27.42±1.38 L☉ |
| Surface gravity (log g) | 2.674±0.013 cgs |
| Temperature | 4,670 K |
| Metallicity [Fe/H] | −0.1 dex |
| Rotational velocity (v sin i) | 1.81 km/s |
| Age | 8.2±1.9 Gyr |
| Other designations | |
| Praecipua, 46 LMi, BD+34 2172, FK5 412, HD 94264, HIP 53229, HR 4247, SAO 62297 | |
| Database references | |
| SIMBAD | data |
46 Leonis Minoris (abbreviated 46 LMi), also named Praecipua /prɪˈsɪpjʊə/, is the brightest star in the constellation of Leo Minor. It is of spectral class K0+III-IV and of magnitude 3.83. It is a red clump giant. Based upon parallax measurements, its distance from the Sun is approximately 99.1 light-years. It is a suspected variable with an amplitude of about 0.05 magnitudes.