Dubhe

α UMa

K0III Ursa Major Mag 2.34

Uneko ikusgarritasuna

Altuera

18.3°

Azimuta

30.1°

naked_eye

Uneko posizioa

PropietateaBalioa
Right Ascension (J2000)11h01m50s
Declination (J2000)+56°22'57"
Altitude18.34°
Azimuth30.11°
Hour Angle-8h57m37s
ConstellationUrsa Major
Visibilitynaked_eye

Ezaugarri fisikoak

PropietateaBalioa
Visual Magnitude2.34
Spectral ClassK0III
Color Index (B-V)1.07
Distance124.0 light-years
Parallax41.07 mas
Proper Motion (RA)81.66 mas/yr
Proper Motion (Dec)33.74 mas/yr
Radial Velocity-9.0 km/s

Katalogo-izendapenak

KatalogoaIzendapena
Hipparcos (HIP)53910
Bright Star Catalogue (HR)4301
Henry Draper (HD)95689
SAO15384
Bayer Designationα UMa
Flamsteed Designation50 UMa

Irteera, sarrera eta trantsitoa

Zeru gertakariakOrdua / balioa
StatusCircumpolar (always above horizon)
Transit Time18:14 (altitude: 73.7°)