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Eta-2
Hot blue starIts story
Eta-2 Coronae Australis is a solitary blue-white B9 subgiant with 3.2 solar masses and 171 times the Sun's luminosity, about 482 light-years away within the Southern Crown. At 213 million years it remains young on a stellar scale, burning at nearly 11,000 kelvin. It shines within the small austral ring symmetrical to the northern Corona, a discreet garland at the feet of Sagittarius.
- Constellation
- Corona Australis
- Apparent magnitude
- 5.60
- Distance
- 481.8 light years
- Coordinates (J2000)
- RA 282.396° · Dec -43.434°
- Catalogue
- HIP 92382 · HD 173861
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