Arcturus

α Boo

K1.5III Boötes Mag -0.05

Trenutna vidljivost

Višina

36.1°

Azimut

265.3°

bright

Trenutni položaj

LastnostVrednost
Right Ascension (J2000)14h15m38s
Declination (J2000)+19°10'21"
Altitude36.06°
Azimuth265.28°
Hour Angle03h55m14s
ConstellationBootes
Visibilitybright

Fizikalne lastnosti

LastnostVrednost
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

Kataloške oznake

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

Vzhod, zahod in kulminacija

DogodekČas / Vrednost
Rise Time14:53
Transit Time22:02 (altitude: 69.2°)
Set Time05:15