当前位置
| 属性 | 数值 |
|---|---|
| Right Ascension (J2000) | 19h50m47s |
| Declination (J2000) | +08°52'12" |
| Altitude | -26.12° |
| Azimuth | 309.46° |
| Hour Angle | 09h03m02s |
| Constellation | Aquila |
| Visibility | below_horizon |
物理属性
| 属性 | 数值 |
|---|---|
| Visual Magnitude | 0.76 |
| Spectral Class | A7V |
| Color Index (B-V) | 0.22 |
| Distance | 16.7 light-years |
| Parallax | 194.44 mas |
| Proper Motion (RA) | 536.82 mas/yr |
| Proper Motion (Dec) | 385.54 mas/yr |
| Radial Velocity | -26.1 km/s |
目录编号
| 目录 | 编号 |
|---|---|
| Hipparcos (HIP) | 97649 |
| Bright Star Catalogue (HR) | 7557 |
| Henry Draper (HD) | 187642 |
| SAO | 125122 |
| Bayer Designation | α Aql |
| Flamsteed Designation | 53 Aql |
升起、落下和中天
| 天象 | 时间/数值 |
|---|---|
| Rise Time | 18:04 |
| Transit Time | 00:40 (altitude: 59.0°) |
| Set Time | 07:12 |