45 Oph
45 Oph
45 Oph is a F-type (Yellow-White) star. It carries the designation 45 Oph.
Located approximately 111.6 light-years from Earth, 45 Oph resides within the broader disk of our Milky Way galaxy.
45 Oph is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.
With an apparent magnitude of +4.28, 45 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 white hue, which corresponds to a B-V color index of +0.402.
Physical Properties
| Spectral Class | Class F — F-type (Yellow-White) |
| Color Index (B−V) | 0.402 |
Observation
| Apparent Magnitude | +4.28 |
| Absolute Magnitude | 1.61 |
| Distance | 112 ly |
Position
| Right Ascension | 17h 27.35m |
| Declination | -29° 52.02′ |
Frequently Asked Questions
What type of star is 45 Oph?
45 Oph is a Class F — F-type (Yellow-White) star.
How far is 45 Oph from Earth?
45 Oph is approximately 111.6 light-years from Earth.
Can you see 45 Oph with the naked eye?
With an apparent magnitude of 4.28, 45 Oph is visible to the naked eye.