47 Eri
47 Eri
47 Eri is a M-type (Red) star. It carries the designation 47 Eri.
Located approximately 994.4 light-years from Earth, 47 Eri resides within the broader disk of our Milky Way galaxy.
47 Eri is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
With an apparent magnitude of +5.20, 47 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 red hue, which corresponds to a B-V color index of +1.708.
Physical Properties
| Spectral Class | Class M — M-type (Red) |
| Color Index (B−V) | 1.708 |
Observation
| Apparent Magnitude | +5.20 |
| Absolute Magnitude | -2.22 |
| Distance | 994 ly |
Position
| Right Ascension | 4h 34.19m |
| Declination | -8° 13.88′ |
Frequently Asked Questions
What type of star is 47 Eri?
47 Eri is a Class M — M-type (Red) star.
How far is 47 Eri from Earth?
47 Eri is approximately 994.4 light-years from Earth.
Can you see 47 Eri with the naked eye?
With an apparent magnitude of 5.20, 47 Eri is visible to the naked eye.