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Proper NameNone
Bayer DesignationPhi Sagittarii
Flamsteed Number27 Sagittarii
HR (BSC)7039
HD173300
ConstellationSagittarius
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.
18 45 39.390 -26 59 26.79
FoV: 1.3°
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