Merak

β UMa

A1V Ursa Major Mag 2.41

Current Visibility

Yükseklik

22.5°

Azimut

37.9°

naked_eye

Current Position

PropertyValue
Right Ascension (J2000)11h53m50s
Declination (J2000)+53°41'41"
Altitude22.45°
Azimuth37.87°
Hour Angle-7h52m35s
ConstellationUrsa Major
Visibilitynaked_eye

Fiziksel Özellikler

PropertyValue
Visual Magnitude2.41
Spectral ClassA1V
Color Index (B-V)-0.02
Distance79.7 light-years
Parallax38.99 mas
Proper Motion (RA)107.76 mas/yr
Proper Motion (Dec)11.16 mas/yr
Radial Velocity-12.0 km/s

Catalog Designations

KatalogDesignation
Hipparcos (HIP)58001
Bright Star Catalogue (HR)4295
Henry Draper (HD)95418
SAO43268
Bayer Designationβ UMa
Flamsteed Designation48 UMa

Rise, Set & Transit

Gökyüzü OlaylarıTime / Value
StatusCircumpolar (always above horizon)
Transit Time16:40 (altitude: 76.4°)