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Proper NameNone
Bayer DesignationOmega Ophiuchi
Flamsteed Number9 Ophiuchi
HR (BSC)6153
HD148898
ConstellationOphiuchus
Right Ascension16h 33m 3s
Declination-21° 29' 45"
Distance175 light years
54 parsecs
MagnitudeApparent: +4.4
Absolute: +0.8
Spectral ClassA7 White Main Sequence Star
Optimum VisibilityJune
NotesA variable star of the Alpha2 Canum Venaticorum type, changing in brightness by up to 0.7 mzagnitudes over a period of nearly three days.

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