57Mu Oph
57Mu Oph
57Mu Oph is a B-type (Blue-White) star. It carries the designation 57Mu Oph.
Located approximately 755.0 light-years from Earth, 57Mu Oph resides within the broader disk of our Milky Way galaxy.
57Mu Oph is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +4.58, 57Mu 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-white hue, which corresponds to a B-V color index of +0.132.
Physical Properties
| Spectral Class | Class B — B-type (Blue-White) |
| Color Index (B−V) | 0.132 |
Observation
| Apparent Magnitude | +4.58 |
| Absolute Magnitude | -2.24 |
| Distance | 755 ly |
Position
| Right Ascension | 17h 37.85m |
| Declination | -8° 7.13′ |
Frequently Asked Questions
What type of star is 57Mu Oph?
57Mu Oph is a Class B — B-type (Blue-White) star.
How far is 57Mu Oph from Earth?
57Mu Oph is approximately 755.0 light-years from Earth.
Can you see 57Mu Oph with the naked eye?
With an apparent magnitude of 4.58, 57Mu Oph is visible to the naked eye.