18 Ori
18 Ori
18 Ori is a A-type (White) star located in the constellation Orion. It carries the designation 18 Ori.
Located approximately 443.1 light-years from Earth, 18 Ori resides within the broader disk of our Milky Way galaxy.
18 Ori is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.52, 18 Ori sits near the limit of naked-eye visibility. It can be glimpsed without optical aid under dark skies, but binoculars will make observation much easier. Observers will note its blue hue, which corresponds to a B-V color index of -0.012.
Propriedades físicas
| Classe Espectral | Class A — A-type (White) |
| Índice de cor (B−V) | -0,012 |
Observação
| Magnitude Aparente | +5.52 |
| Magnitude Absoluta | -0,15 |
| Distância | 443 ly |
| Constelação | Orion |
Posição
| Ascensão reta | 5h 16,07m |
| Declinação | 11° 20,48′ |
Perguntas frequentes
What type of star is 18 Ori?
18 Ori is a Class A — A-type (White) star.
How far is 18 Ori from Earth?
18 Ori is approximately 443.2 light-years from Earth.
Can you see 18 Ori with the naked eye?
With an apparent magnitude of 5.52, 18 Ori is visible to the naked eye.
What constellation is 18 Ori in?
18 Ori is located in the constellation Orion.