Arcturus

α Boo

K1.5III Boötes Mag -0.05

Current Visibility

Yükseklik

-7.9°

Azimut

303.1°

below_horizon

Current Position

PropertyValue
Right Ascension (J2000)14h15m38s
Declination (J2000)+19°10'21"
Altitude-7.90°
Azimuth303.06°
Hour Angle07h55m33s
ConstellationBootes
Visibilitybelow_horizon

Fiziksel Özellikler

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

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

Rise, Set & Transit

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