description Yildun Overview
Yildun, formally designated Delta Ursae Minoris, is a white A-type main-sequence star in the northern constellation Ursa Minor. It lies in the handle of the Little Dipper, not in the bowl, and has an apparent magnitude of about 4.4. At a distance of roughly 170 light-years, it is close to the north celestial pole compared with many bright stars, although it is not the pole star. Yildun can be seen without optical aid from a reasonably dark location and is useful for identifying the Little Dipper’s handle.
help Yildun FAQ
What is Yildun's formal astronomical designation?
Yildun is formally designated Delta Ursae Minoris. It is a white A-type main-sequence star in the constellation Ursa Minor.
Where is Yildun in the Little Dipper?
Yildun lies in the handle of the Little Dipper, not in its bowl. The Little Dipper is an asterism formed from stars in Ursa Minor.
How bright is Yildun?
Yildun has an apparent magnitude of about 4.4. That makes it a relatively faint naked-eye star under sufficiently dark skies.
How far away is Yildun?
Yildun is roughly 170 light-years from Earth. It is located in the northern constellation Ursa Minor.
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