Spica

α Vir

B1III-IV Virgo Mag 0.98

当前可见度

高度角

-23.1°

方位角

274.5°

below_horizon

当前位置

属性数值
Right Ascension (J2000)13h25m11s
Declination (J2000)-11°09'41"
Altitude-23.12°
Azimuth274.54°
Hour Angle07h24m32s
ConstellationVirgo
Visibilitybelow_horizon

物理属性

属性数值
Visual Magnitude0.98
Spectral ClassB1III-IV
Color Index (B-V)-0.23
Distance250.0 light-years
Parallax12.44 mas
Proper Motion (RA)-42.50 mas/yr
Proper Motion (Dec)-31.73 mas/yr
Radial Velocity1.0 km/s

目录编号

目录编号
Hipparcos (HIP)65474
Bright Star Catalogue (HR)5056
Henry Draper (HD)116658
SAO157923
Bayer Designationα Vir
Flamsteed Designation67 Vir

升起、落下和中天

天象时间/数值
Rise Time18:49
Transit Time00:17 (altitude: 38.8°)
Set Time05:41