Arcturus

α Boo

K1.5III Boötes Mag -0.05

Current Visibility

ความสูง

7.7°

อะซิมุท

288.5°

bright

Current Position

PropertyValue
Right Ascension (J2000)14h15m38s
Declination (J2000)+19°10'21"
Altitude7.71°
Azimuth288.52°
Hour Angle06h25m42s
ConstellationBootes
Visibilitybright

Physical Properties

PropertyValue
Visual Magnitude-0.05
Spectral ClassK1.5III
Color Index (B-V)1.23
Distance36.7 light-years
Parallax88.85 mas
Proper Motion (RA)-1093.45 mas/yr
Proper Motion (Dec)-1999.40 mas/yr
Radial Velocity-5.2 km/s

Catalog Designations

แคตตาล็อกDesignation
Hipparcos (HIP)69673
Bright Star Catalogue (HR)5340
Henry Draper (HD)124897
SAO100944
Bayer Designationα Boo
Flamsteed Designation16 Boo

Rise, Set & Transit

เหตุการณ์ท้องฟ้าTime / Value
Rise Time17:54
Transit Time01:07 (altitude: 69.1°)
Set Time08:16