当前位置
| 属性 | 数值 |
|---|---|
| Right Ascension (J2000) | 14h39m27s |
| Declination (J2000) | -60°49'53" |
| Altitude | -54.41° |
| Azimuth | 142.15° |
| Hour Angle | -8h11m27s |
| Constellation | Centaurus |
| Visibility | below_horizon |
物理属性
| 属性 | 数值 |
|---|---|
| Visual Magnitude | -0.01 |
| Spectral Class | G2V |
| Color Index (B-V) | 0.71 |
| Distance | 4.4 light-years |
| Parallax | 742.12 mas |
| Proper Motion (RA) | -3678.19 mas/yr |
| Proper Motion (Dec) | 481.84 mas/yr |
| Radial Velocity | -21.4 km/s |
目录编号
| 目录 | 编号 |
|---|---|
| Hipparcos (HIP) | 71683 |
| Bright Star Catalogue (HR) | 5459 |
| Henry Draper (HD) | 128620 |
| SAO | 252838 |
| Bayer Designation | α Cen A |
升起、落下和中天
| 天象 | 时间/数值 |
|---|---|
| Status | Never rises at this location |
| Transit Time | 19:26 (altitude: -10.9°) |