Eta Cru
Eta Cru
Eta Cru is a F-type (Yellow-White) star located in the constellation Crux. It carries the designation Eta Cru.
Located approximately 64.4 light-years from Earth, Eta Cru resides within the broader disk of our Milky Way galaxy.
Eta Cru is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.
With an apparent magnitude of +4.14, Eta Cru 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 white hue, which corresponds to a B-V color index of +0.353.
Physical Properties
| Spectral Class | Class F — F-type (Yellow-White) |
| Color Index (B−V) | 0.353 |
Observation
| Apparent Magnitude | +4.14 |
| Absolute Magnitude | 2.66 |
| Distance | 64.4 ly |
| Constellation | Crux |
Position
| Right Ascension | 12h 6.88m |
| Declination | -64° 36.82′ |
Frequently Asked Questions
What type of star is Eta Cru?
Eta Cru is a Class F — F-type (Yellow-White) star.
How far is Eta Cru from Earth?
Eta Cru is approximately 64.4 light-years from Earth.
Can you see Eta Cru with the naked eye?
With an apparent magnitude of 4.14, Eta Cru is visible to the naked eye.
What constellation is Eta Cru in?
Eta Cru is located in the constellation Crux.