Position actuelle
| Propriété | Valeur |
|---|---|
| Right Ascension (J2000) | 11h01m50s |
| Declination (J2000) | +56°22'57" |
| Altitude | 38.63° |
| Azimuth | 315.98° |
| Hour Angle | 05h12m25s |
| Constellation | Ursa Major |
| Visibility | naked_eye |
Propriétés physiques
| Propriété | Valeur |
|---|---|
| Visual Magnitude | 2.34 |
| Spectral Class | K0III |
| Color Index (B-V) | 1.07 |
| Distance | 124.0 light-years |
| Parallax | 41.07 mas |
| Proper Motion (RA) | 81.66 mas/yr |
| Proper Motion (Dec) | 33.74 mas/yr |
| Radial Velocity | -9.0 km/s |
Désignations de catalogue
| Catalogue | Désignation |
|---|---|
| Hipparcos (HIP) | 53910 |
| Bright Star Catalogue (HR) | 4301 |
| Henry Draper (HD) | 95689 |
| SAO | 15384 |
| Bayer Designation | α UMa |
| Flamsteed Designation | 50 UMa |
Lever, coucher et transit
| Événement | Heure / Valeur |
|---|---|
| Status | Circumpolar (always above horizon) |
| Transit Time | 15:01 (altitude: 73.7°) |