Rigil Kentaurus

α Cen A

G2V Centaurus Mag -0.01

目前可見度

高度角

-19.7°

方位角

204.4°

below_horizon

目前位置

屬性數值
Right Ascension (J2000)14h39m27s
Declination (J2000)-60°49'54"
Altitude-19.70°
Azimuth204.36°
Hour Angle03h34m28s
ConstellationCentaurus
Visibilitybelow_horizon

物理特性

屬性數值
Visual Magnitude-0.01
Spectral ClassG2V
Color Index (B-V)0.71
Distance4.4 light-years
Parallax742.12 mas
Proper Motion (RA)-3678.19 mas/yr
Proper Motion (Dec)481.84 mas/yr
Radial Velocity-21.4 km/s

星表編號

目錄編號
Hipparcos (HIP)71683
Bright Star Catalogue (HR)5459
Henry Draper (HD)128620
SAO252838
Bayer Designationα Cen A

升起、落下與過中天

事件時間 / 數值
StatusNever rises at this location
Transit Time22:27 (altitude: -10.9°)