Alnitak vs Mintaka
| Eigenschaft |
Alnitak
|
Mintaka
|
| Bezeichnung |
50Zet Ori |
34Del Ori |
| Sternbild |
Orion |
Orion |
| Spektralklasse |
Class O — O-type (Blue) |
Class O — O-type (Blue) |
| Scheinbare Helligkeit |
+1.74 |
+2.25 |
| Absolute Helligkeit |
-5,03
|
-4,38
|
| Entfernung |
736 ly |
692 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 O-type stars in Orion's Belt, but Alnitak is the eastern star and Mintaka the western.
- ◆ Alnitak is the brightest O-type star in the night sky; Mintaka lies almost exactly on the celestial equator.
- ◆ Alnitak is near the Horsehead Nebula and Flame Nebula which it illuminates with its intense UV radiation.
- ◆ Both are multiple star systems containing O-type primaries.
- ◆ Alnitak is somewhat more massive and more distant than Mintaka.