当前位置
| 属性 | 数值 |
|---|---|
| Right Ascension (J2000) | 16h29m24s |
| Declination (J2000) | -26°25'55" |
| Altitude | 19.68° |
| Azimuth | 203.70° |
| Hour Angle | 01h41m45s |
| Constellation | Scorpius |
| Visibility | naked_eye |
物理属性
| 属性 | 数值 |
|---|---|
| Visual Magnitude | 1.06 |
| Spectral Class | M1.5Iab |
| Color Index (B-V) | 1.83 |
| Distance | 550.0 light-years |
| Parallax | 5.40 mas |
| Proper Motion (RA) | -10.16 mas/yr |
| Proper Motion (Dec) | -23.21 mas/yr |
| Radial Velocity | -3.4 km/s |
目录编号
| 目录 | 编号 |
|---|---|
| Hipparcos (HIP) | 80763 |
| Bright Star Catalogue (HR) | 6134 |
| Henry Draper (HD) | 148478 |
| SAO | 184415 |
| Bayer Designation | α Sco |
| Flamsteed Designation | 21 Sco |
升起、落下和中天
| 天象 | 时间/数值 |
|---|---|
| Rise Time | 19:52 |
| Transit Time | 00:20 (altitude: 23.6°) |
| Set Time | 04:44 |