Alpha Lyncis
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Lynx |
| Right ascension | 09h 21m 03.30021s |
| Declination | +34° 23′ 33.2134″ |
| Apparent magnitude (V) | +3.14 |
| Characteristics | |
| Evolutionary stage | Giant star |
| Spectral type | K7 III |
| U−B color index | +1.95 |
| B−V color index | +1.55 |
| Astrometry | |
| Radial velocity (Rv) | 37.15 km/s |
| Proper motion (μ) | RA: −218.723 mas/yr Dec.: 16.555 mas/yr |
| Parallax (π) | 14.7±0.18 mas |
| Distance | 220.7+2.9 −2.6 ly (67.7+0.9 −0.8 pc) |
| Absolute bolometric magnitude (Mbol) | –2.32 ± 0.13 |
| Details | |
| Mass | 1.52±0.077 M☉ |
| Radius | 58.15+0.73 −0.75 R☉ |
| Luminosity | 621.1±15.8 L☉ |
| Surface gravity (log g) | 1.06±0.04 cgs |
| Temperature | 3,881±20 K |
| Metallicity [Fe/H] | −0.26±0.05 dex |
| Rotational velocity (v sin i) | 6.4 km/s |
| Age | 1.4 Gyr |
| Other designations | |
| 40 Lyncis, HR 3705, HD 80493, BD+35°1979, HIP 45860, SAO 61414, FK5 352, NSV 4456, GC 12880 | |
| Database references | |
| SIMBAD | data |
Alpha Lyncis (α Lyn, α Lyncis) is the brightest star in the northern constellation of Lynx with an apparent magnitude of +3.13. Unusually, it is the only star in the constellation that has a Bayer designation. Based upon parallax measurements, this star is located about 220 light-years (67 parsecs) from the Earth.