Alphard
α Hya
Current Visibility
Yükseklik
-43.6°
Azimut
301.5°
below_horizon
Current Position
| Property | Value |
|---|---|
| Right Ascension (J2000) | 09h27m35s |
| Declination (J2000) | -08°39'30" |
| Altitude | -43.63° |
| Azimuth | 301.49° |
| Hour Angle | 09h26m42s |
| Constellation | Hydra |
| Visibility | below_horizon |
Fiziksel Özellikler
| Property | Value |
|---|---|
| Visual Magnitude | 1.99 |
| Spectral Class | K3II-III |
| Color Index (B-V) | 1.44 |
| Distance | 177.0 light-years |
| Parallax | 18.40 mas |
| Proper Motion (RA) | -14.49 mas/yr |
| Proper Motion (Dec) | 33.25 mas/yr |
| Radial Velocity | -4.3 km/s |
Catalog Designations
| Katalog | Designation |
|---|---|
| Hipparcos (HIP) | 46390 |
| Bright Star Catalogue (HR) | 3748 |
| Henry Draper (HD) | 81797 |
| SAO | 136871 |
| Bayer Designation | α Hya |
| Flamsteed Designation | 30 Hya |
Rise, Set & Transit
| Gökyüzü Olayları | Time / Value |
|---|---|
| Rise Time | 11:43 |
| Transit Time | 17:15 (altitude: 41.3°) |
| Set Time | 22:48 |