Gemma
5Alp CrB
Gemma is a A-type (White) star. It carries the designation 5Alp CrB.
Located approximately 75.0 light-years from Earth, Gemma resides within the broader disk of our Milky Way galaxy.
Gemma is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
At an apparent magnitude of +2.22, Gemma is visible to the naked eye under reasonably clear skies. It may require dark-sky conditions to be seen comfortably in areas with significant light pollution. Observers will note its blue-white hue, which corresponds to a B-V color index of +0.032.
Physikalische Eigenschaften
| Spektralklasse | Class A — A-type (White) |
| Farbindex (B−V) | 0,032 |
Beobachtung
| Scheinbare Helligkeit | +2.22 |
| Absolute Helligkeit | 0,41 |
| Entfernung | 75.0 ly |
Position
| Rektaszension | 15h 34,69m |
| Deklination | 26° 42,88′ |
Häufig gestellte Fragen
What type of star is Gemma?
Gemma is a Class A — A-type (White) star.
How far is Gemma from Earth?
Gemma is approximately 75.0 light-years from Earth.
Can you see Gemma with the naked eye?
With an apparent magnitude of 2.22, Gemma is visible to the naked eye.