Eta1TrA
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Eta1TrA
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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.
物理的特性
| スペクトル型 | B Class B — B-type (Blue-White) |
| 色指数 (B−V) | -0.078 |
観測
| 見かけの等級 | +5.89 |
| 絶対等級 | -0.65 |
| 距離 | 662 ly |
位置
| 赤経 | 16h 41.39m |
| 赤緯 | -68° 17.77′ |