HD 32450
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Lepus |
| Right ascension | 05h 02m 28.42030s |
| Declination | −21° 15′ 23.9203″ |
| Apparent magnitude (V) | 8.317 (8.66 / 10.60) |
| Characteristics | |
| Spectral type | K7V |
| U−B color index | +1.15 |
| B−V color index | +1.42 |
| Astrometry | |
| Radial velocity (Rv) | −11.00 ± 0.38 km/s |
| Proper motion (μ) | RA: −143.42 mas/yr Dec.: −221.81 mas/yr |
| Parallax (π) | 116.59±1.51 mas |
| Distance | 28.0 ± 0.4 ly (8.6 ± 0.1 pc) |
| Orbit | |
| Period (P) | 43.55 ± 0.27 yr |
| Semi-major axis (a) | 1.062 ± 0.049″ |
| Eccentricity (e) | 0.720 ± 0.028 |
| Inclination (i) | 60.7 ± 2.1° |
| Longitude of the node (Ω) | 246.5 ± 3.9° |
| Periastron epoch (T) | B 1997.46 ± 0.86 |
| Argument of periastron (ω) (secondary) | 280.6 ± 1.2° |
| Details | |
| HD 32450 A | |
| Mass | 0.59 M☉ |
| HD 32450 B | |
| Mass | 0.37 M☉ |
| Other designations | |
| BD−21° 1051, GJ 185, HIP 23452, SAO 170003, LTT 2151 | |
| Database references | |
| SIMBAD | data |
| ARICNS | A |
| B | |
HD 32450, also known as Gliese 185 is a binary star in the constellation Lepus. It is located about 28 light years from the Solar System. This star will make its closest approach to the Sun in roughly 350,000 years, when it comes within 14.8 ly (4.5 pc).