Alnitak
50Zet Ori
Alnitak is a O-type (Blue) star located in the constellation Orion. It carries the designation 50Zet Ori.
Located approximately 736.2 light-years from Earth, Alnitak resides within the broader disk of our Milky Way galaxy.
Alnitak is classified as a spectral class O star (O-type (Blue)) on the Harvard spectral classification system.
Alnitak has an apparent magnitude of +1.74, making it a bright and prominent star that is readily visible to the naked eye. It is one of the more conspicuous stars in its region of the sky. Observers will note its blue hue, which corresponds to a B-V color index of -0.199.
Propriétés physiques
| Classe Spectrale | Class O — O-type (Blue) |
| Indice de couleur (B−V) | -0,199 |
Observation
| Magnitude Apparente | +1.74 |
| Magnitude Absolue | -5,03 |
| Distance | 736 ly |
| Constellation | Orion |
Position
| Ascension droite | 5h 40,76m |
| Déclinaison | -1° 56,55′ |
Questions fréquentes
What type of star is Alnitak?
Alnitak is a Class O — O-type (Blue) star.
How far is Alnitak from Earth?
Alnitak is approximately 736.2 light-years from Earth.
Can you see Alnitak with the naked eye?
With an apparent magnitude of 1.74, Alnitak is visible to the naked eye.
What constellation is Alnitak in?
Alnitak is located in the constellation Orion.