現在位置
| プロパティ | 値 |
|---|---|
| Right Ascension (J2000) | 04h35m55s |
| Declination (J2000) | +16°30'30" |
| Altitude | 7.28° |
| Azimuth | 74.37° |
| Hour Angle | -6h43m20s |
| Constellation | Taurus |
| Visibility | bright |
物理特性
| プロパティ | 値 |
|---|---|
| Visual Magnitude | 0.87 |
| Spectral Class | K5III |
| Color Index (B-V) | 1.54 |
| Distance | 65.3 light-years |
| Parallax | 50.09 mas |
| Proper Motion (RA) | 62.78 mas/yr |
| Proper Motion (Dec) | -189.36 mas/yr |
| Radial Velocity | 54.3 km/s |
カタログ記号
| カタログ | 符号 |
|---|---|
| Hipparcos (HIP) | 21421 |
| Bright Star Catalogue (HR) | 1457 |
| Henry Draper (HD) | 29139 |
| SAO | 94027 |
| Bayer Designation | α Tau |
| Flamsteed Designation | 87 Tau |
出没・子午線通過
| イベント | 時刻 / 値 |
|---|---|
| Rise Time | 08:26 |
| Transit Time | 15:25 (altitude: 66.7°) |
| Set Time | 22:25 |