Alnilam

ε Ori

B0Ia Orion Mag 1.69

目前可見度

高度角

-31.6°

方位角

61.2°

below_horizon

目前位置

屬性數值
Right Ascension (J2000)05h36m12s
Declination (J2000)-01°12'06"
Altitude-31.59°
Azimuth61.15°
Hour Angle-8h14m24s
ConstellationOrion
Visibilitybelow_horizon

物理特性

屬性數值
Visual Magnitude1.69
Spectral ClassB0Ia
Color Index (B-V)-0.18
Distance2000.0 light-years
Parallax2.43 mas
Proper Motion (RA)1.49 mas/yr
Proper Motion (Dec)-1.06 mas/yr
Radial Velocity25.9 km/s

星表編號

目錄編號
Hipparcos (HIP)26311
Bright Star Catalogue (HR)1903
Henry Draper (HD)37128
SAO132346
Bayer Designationε Ori
Flamsteed Designation46 Ori

升起、落下與過中天

事件時間 / 數值
Rise Time10:27
Transit Time16:25 (altitude: 48.9°)
Set Time22:23