Delta Ursa Minoris (Yildun)
Delta Ursa Minoris (δ UMi), also known as Yildun, is a spectral class A1Vn star of magnitude 4.35 located in the constellation Ursa Minor. δ UMi is one of the brighter stars in Ursa Minor and can be seen by the naked eye under dark skies or with binoculars.
- Name:
- Delta Ursa Minoris
- Short name:
- δ UMi
- Common name:
- Yildun
- Spectral class:
- A1Vn
- Magnitude:
- 4.35
- Right Acension:
- 17h 32m 12.90s
- Declination:
- +86° 35' 10.8"
- Constellation:
- Ursa Minor