目前位置
| 屬性 | 數值 |
|---|---|
| Right Ascension (J2000) | 05h55m10s |
| Declination (J2000) | +07°24'25" |
| Altitude | 54.64° |
| Azimuth | 152.54° |
| Hour Angle | -1h58m57s |
| Constellation | Orion |
| Visibility | bright |
物理特性
| 屬性 | 數值 |
|---|---|
| Visual Magnitude | 0.45 |
| Spectral Class | M2Iab |
| Color Index (B-V) | 1.85 |
| Distance | 700.0 light-years |
| Parallax | 7.63 mas |
| Proper Motion (RA) | 27.33 mas/yr |
| Proper Motion (Dec) | 10.86 mas/yr |
| Radial Velocity | 21.9 km/s |
星表編號
| 目錄 | 編號 |
|---|---|
| Hipparcos (HIP) | 27989 |
| Bright Star Catalogue (HR) | 2061 |
| Henry Draper (HD) | 39801 |
| SAO | 113271 |
| Bayer Designation | α Ori |
| Flamsteed Designation | 58 Ori |
升起、落下與過中天
| 事件 | 時間 / 數值 |
|---|---|
| Rise Time | 04:16 |
| Transit Time | 10:43 (altitude: 57.5°) |
| Set Time | 17:09 |