Alioth

ε UMa

A1III-IVp Ursa Major Mag 1.81

Current Visibility

Altitude

15.3°

Azimuth

343.9°

naked_eye

Current Position

PropertyValue
Right Ascension (J2000)11h03m43s
Declination (J2000)+61°45'03"
Altitude15.31°
Azimuth343.88°
Hour Angle09h44m28s
ConstellationUrsa Major
Visibilitynaked_eye

Physical Properties

PropertyValue
Visual Magnitude1.81
Spectral ClassA1III-IVp
Color Index (B-V)-0.02
Distance81.0 light-years
Parallax26.38 mas
Proper Motion (RA)-136.46 mas/yr
Proper Motion (Dec)-35.25 mas/yr
Radial Velocity-9.3 km/s

Catalog Designations

CatalogDesignation
Hipparcos (HIP)54061
Bright Star Catalogue (HR)4301
Henry Draper (HD)112185
SAO28553
Bayer Designationε UMa
Flamsteed Designation77 UMa

Rise, Set & Transit

EventTime / Value
StatusCircumpolar (always above horizon)
Transit Time21:52 (altitude: 68.3°)