Betelgeuse

α Ori

M2Iab Orion Mag 0.45

当前可见度

高度角

-28.0°

方位角

50.6°

below_horizon

当前位置

属性数值
Right Ascension (J2000)05h55m10s
Declination (J2000)+07°24'25"
Altitude-28.00°
Azimuth50.57°
Hour Angle-9h55m13s
ConstellationOrion
Visibilitybelow_horizon

物理属性

属性数值
Visual Magnitude0.45
Spectral ClassM2Iab
Color Index (B-V)1.85
Distance700.0 light-years
Parallax7.63 mas
Proper Motion (RA)27.33 mas/yr
Proper Motion (Dec)10.86 mas/yr
Radial Velocity21.9 km/s

目录编号

目录编号
Hipparcos (HIP)27989
Bright Star Catalogue (HR)2061
Henry Draper (HD)39801
SAO113271
Bayer Designationα Ori
Flamsteed Designation58 Ori

升起、落下和中天

天象时间/数值
Rise Time10:17
Transit Time16:44 (altitude: 57.5°)
Set Time23:11