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Almanac >
Stars
Alfirk
Alfirk (also known as Beta Cephei) is a star in the constellation Cepheus. It located at Right Ascension 21h 28.660m and Declination 70° 33.650'.
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Alfirk |
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Fact Sheet
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Identity |
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Beta Cephei
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Constellation |
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Cepheus
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SAO Catalog Number |
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10057
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HD Catalog Number |
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205021
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FK5 Catalog Number |
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809
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Magnitude |
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3.23
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Spectral Class |
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B1IV
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Location |
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21h 28.660m (Right Ascension)
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70° 33.650' (Declination)
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Proper Motion |
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0.01 (Right Ascension)
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0.007 (Declination)
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