57Mu Eri
57Mu Eri
57Mu Eri is a B-type (Blue-White) star. It carries the designation 57Mu Eri.
Located approximately 521.9 light-years from Earth, 57Mu Eri resides within the broader disk of our Milky Way galaxy.
57Mu Eri is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +4.01, 57Mu Eri 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 -0.148.
Physical Properties
| Spectral Class | Class B — B-type (Blue-White) |
| Color Index (B−V) | -0.148 |
Observation
| Apparent Magnitude | +4.01 |
| Absolute Magnitude | -2.01 |
| Distance | 522 ly |
Position
| Right Ascension | 4h 45.50m |
| Declination | -3° 15.28′ |
Frequently Asked Questions
What type of star is 57Mu Eri?
57Mu Eri is a Class B — B-type (Blue-White) star.
How far is 57Mu Eri from Earth?
57Mu Eri is approximately 521.8 light-years from Earth.
Can you see 57Mu Eri with the naked eye?
With an apparent magnitude of 4.01, 57Mu Eri is visible to the naked eye.