15 UMa
15 UMa
15 UMa is a A-type (White) star located in the constellation Ursa Major. It carries the designation 15 UMa.
Located approximately 94.0 light-years from Earth, 15 UMa resides within the broader disk of our Milky Way galaxy.
15 UMa is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
With an apparent magnitude of +4.46, 15 UMa sits near the limit of naked-eye visibility. It can be glimpsed without optical aid under dark skies, but binoculars will make observation much easier. Observers will note its blue-white hue, which corresponds to a B-V color index of +0.288.
Physikalische Eigenschaften
| Spektralklasse | Class A — A-type (White) |
| Farbindex (B−V) | 0,288 |
Beobachtung
| Scheinbare Helligkeit | +4.46 |
| Absolute Helligkeit | 2,16 |
| Entfernung | 94.0 ly |
| Sternbild | Ursa Major |
Position
| Rektaszension | 9h 8,87m |
| Deklination | 51° 36,28′ |
Häufig gestellte Fragen
What type of star is 15 UMa?
15 UMa is a Class A — A-type (White) star.
How far is 15 UMa from Earth?
15 UMa is approximately 94.0 light-years from Earth.
Can you see 15 UMa with the naked eye?
With an apparent magnitude of 4.46, 15 UMa is visible to the naked eye.
What constellation is 15 UMa in?
15 UMa is located in the constellation Ursa Major.