Achernar
α Eri
Current Visibility
Altitude
-37.2°
Azimuth
137.7°
below_horizon
Current Position
| Property | Value |
|---|---|
| Right Ascension (J2000) | 01h37m43s |
| Declination (J2000) | -57°14'13" |
| Altitude | -37.18° |
| Azimuth | 137.69° |
| Hour Angle | -6h24m38s |
| Constellation | Eridanus |
| Visibility | below_horizon |
Physical Properties
| Property | Value |
|---|---|
| Visual Magnitude | 0.45 |
| Spectral Class | B3V |
| Color Index (B-V) | -0.16 |
| Distance | 139.0 light-years |
| Parallax | 22.68 mas |
| Proper Motion (RA) | 88.02 mas/yr |
| Proper Motion (Dec) | -40.08 mas/yr |
| Radial Velocity | 16.0 km/s |
Catalog Designations
| Catalog | Designation |
|---|---|
| Hipparcos (HIP) | 7588 |
| Bright Star Catalogue (HR) | 472 |
| Henry Draper (HD) | 10144 |
| SAO | 232481 |
| Bayer Designation | α Eri |
Rise, Set & Transit
| Event | Time / Value |
|---|---|
| Status | Never rises at this location |
| Transit Time | 12:27 (altitude: -7.0°) |