Alpha Delphini
9Alp Del
Alpha Delphini is a B-type (Blue-White) star. It carries the designation 9Alp Del.
Located approximately 253.8 light-years from Earth, Alpha Delphini resides within the broader disk of our Milky Way galaxy.
Alpha Delphini is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
At an apparent magnitude of +3.77, Alpha Delphini is visible to the naked eye under reasonably clear skies. It may require dark-sky conditions to be seen comfortably in areas with significant light pollution. Observers will note its blue hue, which corresponds to a B-V color index of -0.057.
Propriedades físicas
| Classe Espectral | Class B — B-type (Blue-White) |
| Índice de cor (B−V) | -0,057 |
Observação
| Magnitude Aparente | +3.77 |
| Magnitude Absoluta | -0,68 |
| Distância | 254 ly |
Posição
| Ascensão reta | 20h 39,64m |
| Declinação | 15° 54,72′ |
Perguntas frequentes
What type of star is Alpha Delphini?
Alpha Delphini is a Class B — B-type (Blue-White) star.
How far is Alpha Delphini from Earth?
Alpha Delphini is approximately 253.8 light-years from Earth.
Can you see Alpha Delphini with the naked eye?
With an apparent magnitude of 3.77, Alpha Delphini is visible to the naked eye.