42 UMa
42 UMa
42 UMa is a K-type (Orange) star located in the constellation Ursa Major. It carries the designation 42 UMa.
Located approximately 272.5 light-years from Earth, 42 UMa resides within the broader disk of our Milky Way galaxy.
42 UMa is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
With an apparent magnitude of +5.57, 42 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 orange hue, which corresponds to a B-V color index of +1.160.
Physikalische Eigenschaften
| Spektralklasse | Class K — K-type (Orange) |
| Farbindex (B−V) | 1,160 |
Beobachtung
| Scheinbare Helligkeit | +5.57 |
| Absolute Helligkeit | 0,96 |
| Entfernung | 272 ly |
| Sternbild | Ursa Major |
Position
| Rektaszension | 10h 51,40m |
| Deklination | 59° 19,21′ |
Häufig gestellte Fragen
What type of star is 42 UMa?
42 UMa is a Class K — K-type (Orange) star.
How far is 42 UMa from Earth?
42 UMa is approximately 272.5 light-years from Earth.
Can you see 42 UMa with the naked eye?
With an apparent magnitude of 5.57, 42 UMa is visible to the naked eye.
What constellation is 42 UMa in?
42 UMa is located in the constellation Ursa Major.