30 Eri
30 Eri
30 Eri is a B-type (Blue-White) star. It carries the designation 30 Eri.
Located approximately 585.6 light-years from Earth, 30 Eri resides within the broader disk of our Milky Way galaxy.
30 Eri is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.48, 30 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 -0.090.
Physical Properties
| Spectral Class | Class B — B-type (Blue-White) |
| Color Index (B−V) | -0.090 |
Observation
| Apparent Magnitude | +5.48 |
| Absolute Magnitude | -0.79 |
| Distance | 586 ly |
Position
| Right Ascension | 3h 52.69m |
| Declination | -5° 21.68′ |
Frequently Asked Questions
What type of star is 30 Eri?
30 Eri is a Class B — B-type (Blue-White) star.
How far is 30 Eri from Earth?
30 Eri is approximately 585.6 light-years from Earth.
Can you see 30 Eri with the naked eye?
With an apparent magnitude of 5.48, 30 Eri is visible to the naked eye.