Alpha Coronae Australis
Star α Coronae Australis |
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AladinLite | |||||||||||||||||
Observation dates equinox : J2000.0 , epoch : J2000.0 |
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Constellation | Southern crown | ||||||||||||||||
Right ascension | 19 h 09 m 28.3 s | ||||||||||||||||
declination | -37 ° 54 ′ 16 ″ | ||||||||||||||||
Apparent brightness | 4.1 mag | ||||||||||||||||
Typing | |||||||||||||||||
Spectral class | A2 | ||||||||||||||||
Astrometry | |||||||||||||||||
parallax | (26.02 ± 0.25) mas | ||||||||||||||||
distance | (125 ± 1) ly (38.4 ± 0.4) pc |
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Physical Properties | |||||||||||||||||
Other names and catalog entries |
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α Coronae Australis ( Alpha Coronae Australis , α CrA for short ) is a main sequence star in the constellation Corona Australis . It belongs to the spectral class A2, has an apparent magnitude of 4.1 mag and is about 125 light years away from Earth.
The star bears the historical proper name Alfecca Meridiana .