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Proper NameNone
Bayer DesignationPhi Sagittarii
Flamsteed Number27 Sagittarii
HR (BSC)7039
Right Ascension18h 45m 39s
Declination-26° 59' 27"
Distance239 light years
73 parsecs
MagnitudeApparent: +3.17
Absolute: -1.16
Spectral ClassB8III blue giant
Optimum VisibilityJuly
NotesA giant star of the B-type blue spectral classification, Phi Sagittarii is an evolved star that has consumed its reserves of hydrogen and entered its helium-fusing stage. As seen from Earth, it shines against the backdrop of the Milky Way at the heart of the Milk Dipper formation in central Sagittarius.

Imagery provided by Aladin sky atlas


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