Fomalhaut vs Wega
| Eigenschaft |
Fomalhaut
|
Wega
|
| Bezeichnung |
24Alp PsA |
3Alp Lyr |
| Sternbild |
N/A |
Lyra |
| Spektralklasse |
Class A — A-type (White) |
Class A — A-type (White) |
| Scheinbare Helligkeit |
+1.17 |
+0.03 |
| Absolute Helligkeit |
1,74
|
0,60
|
| Entfernung |
25.1 ly |
25.0 ly |
| Masse |
N/A
|
N/A
|
| Radius |
N/A
|
N/A
|
| Temperatur |
N/A
|
N/A
|
| Leuchtkraft |
N/A
|
N/A
|
Wesentliche Unterschiede
- ◆ Both are young A-type benchmark stars with prominent debris disks, used to calibrate stellar and planetary evolution models.
- ◆ Fomalhaut is the southernmost autumn star easily seen from northern mid-latitudes.
- ◆ Vega is approximately 1.9 times more massive than Fomalhaut.
- ◆ Both have been candidate targets for direct imaging of orbiting companions.
- ◆ Fomalhaut is one of only 18 stars with disks resolved by Hubble; Vega's disk was first revealed by IRAS in 1983.