Megrez

δ UMa

A3V Ursa Major Mag 2.58

現在の視認性

高度

-74.4°

方位角

139.9°

below_horizon

現在位置

プロパティ
Right Ascension (J2000)12h08m21s
Declination (J2000)-50°43'20"
Altitude-74.39°
Azimuth139.89°
Hour Angle-10h05m11s
ConstellationCentaurus
Visibilitybelow_horizon

物理特性

プロパティ
Visual Magnitude2.58
Spectral ClassA3V
Color Index (B-V)0.08
Distance81.4 light-years
Parallax8.25 mas
Proper Motion (RA)-47.53 mas/yr
Proper Motion (Dec)-6.42 mas/yr
Radial Velocity-13.4 km/s

カタログ記号

カタログ符号
Hipparcos (HIP)59196
Bright Star Catalogue (HR)4660
Henry Draper (HD)106591
SAO28315
Bayer Designationδ UMa
Flamsteed Designation69 UMa

出没・子午線通過

イベント時刻 / 値
StatusNever rises at this location
Transit Time22:56 (altitude: -0.2°)