Arcturus

α Boo

K1.5III Boötes Mag -0.05

Current Visibility

Altitude

26.0°

Azimuth

273.8°

bright

Current Position

PropertyValue
Right Ascension (J2000)14h15m38s
Declination (J2000)+19°10'21"
Altitude26.02°
Azimuth273.77°
Hour Angle04h47m42s
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

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

Rise, Set & Transit

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