現在位置
| プロパティ | 値 |
|---|---|
| Right Ascension (J2000) | 17h34m56s |
| Declination (J2000) | +12°33'32" |
| Altitude | -36.58° |
| Azimuth | 346.72° |
| Hour Angle | 11h17m40s |
| Constellation | Ophiuchus |
| Visibility | below_horizon |
物理特性
| プロパティ | 値 |
|---|---|
| Visual Magnitude | 2.08 |
| Spectral Class | B9.5III |
| Color Index (B-V) | -0.03 |
| Distance | 143.0 light-years |
| Parallax | 69.84 mas |
| Proper Motion (RA) | 110.08 mas/yr |
| Proper Motion (Dec) | -222.61 mas/yr |
| Radial Velocity | -15.0 km/s |
カタログ記号
| カタログ | 符号 |
|---|---|
| Hipparcos (HIP) | 86032 |
| Bright Star Catalogue (HR) | 6879 |
| Henry Draper (HD) | 169022 |
| SAO | 210091 |
| Bayer Designation | ε Sgr |
| Flamsteed Designation | 20 Sgr |
出没・子午線通過
| イベント | 時刻 / 値 |
|---|---|
| Rise Time | 15:35 |
| Transit Time | 22:20 (altitude: 62.6°) |
| Set Time | 05:09 |