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Alpha Coronae Australis: Wikis


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Alpha Coronae Australis
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Corona Australis
Right ascension 19h 09m 28.3417s
Declination −37° 54' 16.108"
Apparent magnitude (V) 4.102
Distance 130 ly
(39.8 pc)
Spectral type A2V
Other designations
HD 178253, HIP 94114, HR 7254, IRAS 19060-3759, SAO 210990

Alpha Coronae Australis (α CrA / α Coronae Australis) is a star in the constellation Corona Australis. It is the only star in the constellation with a proper name Alphekka Meridiana (Alphekka South), after the brightest star in Corona Borealis, Alphecca. It is known as 鱉六 (the Sixth Star of the River Turtle) in Chinese.

Alpha Coronae Australis belongs to the spectral class A2V and has apparent magnitude +4.10. It is about 130 light years from Earth.


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