Eta1TrA
Eta1TrA
Eta1TrA is a B-type (Blue-White) star. It carries the designation Eta1TrA.
Located approximately 661.6 light-years from Earth, Eta1TrA resides within the broader disk of our Milky Way galaxy.
Eta1TrA is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.89, Eta1TrA 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 -0.078.
Propriétés physiques
| Classe Spectrale | Class B — B-type (Blue-White) |
| Indice de couleur (B−V) | -0,078 |
Observation
| Magnitude Apparente | +5.89 |
| Magnitude Absolue | -0,65 |
| Distance | 662 ly |
Position
| Ascension droite | 16h 41,39m |
| Déclinaison | -68° 17,77′ |
Questions fréquentes
What type of star is Eta1TrA?
Eta1TrA is a Class B — B-type (Blue-White) star.
How far is Eta1TrA from Earth?
Eta1TrA is approximately 661.6 light-years from Earth.
Can you see Eta1TrA with the naked eye?
With an apparent magnitude of 5.89, Eta1TrA is visible to the naked eye.