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Alniyat, Al Niyat, Tau Scorpii, 23 Scorpii

Proper NamesPaikauhale, Alniyat, Al Niyat
Bayer DesignationTau Scorpii
Flamsteed Number23 Scorpii
HR (BSC)6165
Right Ascension16h 35m 53s
Declination-28° 12' 58"
Distance474 light years
145 parsecs
MagnitudeApparent: +2.8
Absolute: -3.0
Spectral ClassB0V blue main sequence star
Optimum VisibilityJune
NotesOne of two third-magnitude blue stars lying to either side of Antares in the sky, each of which traditionally bore the same name, Alniyat or Al Niyat. To resolve this somewhat confusing situation, the IAU has officially given this star its traditional Hawaiian name Paikauhale, while Alniyat is reserved for Sigma Scorpii on the opposite, western side of Antares.


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