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Al Niyat, Sigma Scorpii, 20 Scorpii

Proper NamesAlniyat, Al Niyat
Bayer DesignationSigma Scorpii
Flamsteed Number20 Scorpii
HR (BSC)6084
Right Ascension16h 22m 17s
Declination-25° 37' 56"
Distance568 light years
174 parsecs
MagnitudeApparent: +2.9
Absolute: -3.7
Spectral ClassB1III Blue Giant
Optimum VisibilityJune
NotesOn either side of the bright red star Antares lie two blue stars, Sigma and Tau Scorpii, that both go by the name Alniyat. Sigma Scorpii lies to the northwest of Antares in the sky, and consists of a blue giant star in the heart of a nebulous region, with at least three dwarf stars in orbit around it.


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