Delta Ursae Minoris

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δ Ursae Minoris
Observation data
Epoch J2000.0
Constellation Ursa Minor
Right ascension 17h 32m 12.9s
Declination +86° 35' 11"
Apparent magnitude (V) +4.35
Distance 183 ± 5 ly
(56 ± 2 pc)
Spectral type A1Vn
Other designations
Yildun, Vildiur,
Gildun, Pherkard,
Jildun, 23 Ursae Minoris,
HR 6789, HD 166205,
BD+86 269, FK5 913,
HIP 85822, SAO 2937,
GC 24236

Delta Ursae Minoris (δ UMi / δ Ursae Minoris) is a star in the constellation Ursa Minor. It also has the traditional name Yildun, Vildiur, or Gildun, as well as Pherkard.

Delta Ursae Minoris is a white A-type main sequence dwarf with an apparent magnitude of +4.35. It is approximately 183 light years from Earth.


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