Eta2CrA
Eta2CrA
Eta2CrA is a B-type (Blue-White) star. It carries the designation Eta2CrA.
Located approximately 481.8 light-years from Earth, Eta2CrA resides within the broader disk of our Milky Way galaxy.
Eta2CrA is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.60, Eta2CrA 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 -0.077.
Physical Properties
| Spectral Class | Class B — B-type (Blue-White) |
| Color Index (B−V) | -0.077 |
Observation
| Apparent Magnitude | +5.60 |
| Absolute Magnitude | -0.25 |
| Distance | 482 ly |
Position
| Right Ascension | 18h 49.58m |
| Declination | -43° 26.05′ |
Frequently Asked Questions
What type of star is Eta2CrA?
Eta2CrA is a Class B — B-type (Blue-White) star.
How far is Eta2CrA from Earth?
Eta2CrA is approximately 481.8 light-years from Earth.
Can you see Eta2CrA with the naked eye?
With an apparent magnitude of 5.60, Eta2CrA is visible to the naked eye.