66 Oph
66 Oph
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66 Oph is a B-type (Blue-White) star. It carries the designation 66 Oph.
Located approximately 651.0 light-years from Earth, 66 Oph resides within the broader disk of our Milky Way galaxy.
66 Oph is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +4.79, 66 Oph 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 -0.100.
Propriétés physiques
| Classe Spectrale | B Class B — B-type (Blue-White) |
| Indice de couleur (B−V) | -0,100 |
Observation
| Magnitude Apparente | +4.79 |
| Magnitude Absolue | -1,71 |
| Distance | 651 ly |
Position
| Ascension droite | 18h 0,26m |
| Déclinaison | 4° 22,12′ |
Frequently Asked Questions
What type of star is 66 Oph?
66 Oph is a Class B — B-type (Blue-White) star.
How far is 66 Oph from Earth?
66 Oph is approximately 651.0 light-years from Earth.
Can you see 66 Oph with the naked eye?
With an apparent magnitude of 4.79, 66 Oph is visible to the naked eye.