当前位置
| 属性 | 数值 |
|---|---|
| Right Ascension (J2000) | 05h36m12s |
| Declination (J2000) | -01°12'06" |
| Altitude | 47.73° |
| Azimuth | 163.63° |
| Hour Angle | 00h17m36s |
| Constellation | Orion |
| Visibility | naked_eye |
物理属性
| 属性 | 数值 |
|---|---|
| Visual Magnitude | 1.69 |
| Spectral Class | B0Ia |
| Color Index (B-V) | -0.18 |
| Distance | 2000.0 light-years |
| Parallax | 2.43 mas |
| Proper Motion (RA) | 1.49 mas/yr |
| Proper Motion (Dec) | -1.06 mas/yr |
| Radial Velocity | 25.9 km/s |
目录编号
| 目录 | 编号 |
|---|---|
| Hipparcos (HIP) | 26311 |
| Bright Star Catalogue (HR) | 1903 |
| Henry Draper (HD) | 37128 |
| SAO | 132346 |
| Bayer Designation | ε Ori |
| Flamsteed Designation | 46 Ori |
升起、落下和中天
| 天象 | 时间/数值 |
|---|---|
| Rise Time | 04:25 |
| Transit Time | 10:24 (altitude: 48.9°) |
| Set Time | 16:22 |