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Phact

Phakt, Phaet, Alpha Columbae

Blue Star in Columba

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Proper NamesPhact, Phakt, Phaet
Bayer DesignationAlpha Columbae
Flamsteed NumberNone
HR (BSC)1956
HD37795
ConstellationColumba
Right Ascension5h 39m 39s
Declination-34° 4' 27"
Distance261 light years
80 parsecs
MagnitudeApparent: +2.7
Absolute: -1.9
Spectral ClassB7IVe blue subgiant
Optimum VisibilityDecember / January

A second magnitude star, but nonetheless the brightest in the southern constellation of Columba, the Dove. It is slightly variable, and in fact represents a system with two stellar components.

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