20 Eri
20 Eri
20 Eri is a B-type (Blue-White) star. It carries the designation 20 Eri.
Located approximately 486.8 light-years from Earth, 20 Eri resides within the broader disk of our Milky Way galaxy.
20 Eri is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.24, 20 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 -0.117.
Physical Properties
| Spectral Class | Class B — B-type (Blue-White) |
| Color Index (B−V) | -0.117 |
Observation
| Apparent Magnitude | +5.24 |
| Absolute Magnitude | -0.63 |
| Distance | 487 ly |
Position
| Right Ascension | 3h 36.29m |
| Declination | -17° 28.02′ |
Frequently Asked Questions
What type of star is 20 Eri?
20 Eri is a Class B — B-type (Blue-White) star.
How far is 20 Eri from Earth?
20 Eri is approximately 486.8 light-years from Earth.
Can you see 20 Eri with the naked eye?
With an apparent magnitude of 5.24, 20 Eri is visible to the naked eye.