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Proper NameNone
Bayer DesignationOmega1 Scorpii
Flamsteed Number9 Scorpii
HR (BSC)5993
Right Ascension16h 7m 53s
Declination-20° 42' 58"
Distance471 light years
145 parsecs
MagnitudeApparent: +4.0
Absolute: -1.9
Spectral ClassB1V Blue Dwarf
Optimum VisibilityJune
NotesThis is a highly luminous blue dwarf star, though its distance from Earth, and a drift of intervening galactic dust, lessen its apparent brightness somewhat. It is one of more than four hundred stars belonging to the widespread Scorpius-Centaurus Association running through this part of the sky.


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