Alpha Coronae Borealis

α Coronae Borealis
Dados observacionais (J2000)
Constelação Corona Borealis
Asc. reta 15h 34m 41.19s
Declinação +26° 42′ 53.7″[1]
Magnitude aparente 2.22
Características
Tipo espectral A0V
Variabilidade algol
Astrometria
Distância 75 anos-luz
Magnitude absoluta 0.42
Outras denominações
Alphecca, Alphacca, Alphekka, Gemma, Gnosia, Gnosia Stella Coronae, Asteroth, Ashtaroth, 5 Coronae Borealis (Designação de Flamsteed), HD 139006, HIP 76267
Alpha Coronae Borealis

Alpha Coronae Borealis (Alphecca, Alphacca, Alphekka, Gemma, Gnosia, Gnosia Stella Coronae, Asteroth, Ashtaroth, 5 Coronae Borealis) é uma estrela na direção da Corona Borealis. Possui uma ascensão reta de 15h 34m 41.19s e uma declinação de +26° 42′ 53.7″. Sua magnitude aparente é igual a 2.22. Considerando sua distância de 75 anos-luz em relação à Terra, sua magnitude absoluta é igual a 0.42. Pertence à classe espectral A0V. É uma estrela variável algol.

Ver também

Referências

  1. «Object query : HD 139006». Simbad (em inglês). Consultado em 8 de agosto de 2012 
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