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Deneb Okab

Delta Aquilae, 30 Aquilae

Proper NameDeneb Okab
Bayer DesignationDelta Aquilae
Flamsteed Number30 Aquilae
BSC7377
HD182640
ConstellationAquila
Right Ascension19h 25m 30s
Declination+3° 6' 53"
Distance51 light years
16 parsecs
MagnitudeApparent: +3.4
Absolute: +2.4
Spectral ClassF0IV Bright Yellow Subgiant
Optimum VisibilityJuly / August
NotesDeneb Okab is not to be confused with Epsilon or Zeta Aquilae, both of which were traditionally called Deneb al Okab or Deneb el Okab. Historically, the name (which means 'tail of the Eagle') seems to have originally belonged to the Epsilon and Zeta stars as a pair, and was later mistakenly transferred to Delta Aquilae in the central regions of the constellation.

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