Delta Ursae Minoris

δ Ursae Minoris (Delta Ursae Minoris, short δ UMi ) is about 180 light years distant from the sun a main sequence star of spectral type A like with an apparent brightness of 4.4.

δ Ursae Minoris bears the proper name Yildun of Turkish yıldız, "star"; due to the precession of the earth was Yildun Turkish astronomer, as the North Star. Other spellings: Gildun, Vildiur, Yilduz. Another possible proper name is Pherkard.

  • Individual fourth star size
  • Little Dipper
Declination Astrometry Light-year Durchmusterung Bright Star Catalogue Smithsonian Astrophysical Observatory Star Catalog
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