81 Leo
81 Leo
81 Leo is a F-type (Yellow-White) star located in the constellation Leo. It carries the designation 81 Leo.
Located approximately 143.2 light-years from Earth, 81 Leo resides within the broader disk of our Milky Way galaxy.
81 Leo is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.58, 81 Leo 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 white hue, which corresponds to a B-V color index of +0.390.
Propriedades físicas
| Classe Espectral | Class F — F-type (Yellow-White) |
| Índice de cor (B−V) | 0,390 |
Observação
| Magnitude Aparente | +5.58 |
| Magnitude Absoluta | 2,37 |
| Distância | 143 ly |
| Constelação | Leo |
Posição
| Ascensão reta | 11h 25,61m |
| Declinação | 16° 27,39′ |
Perguntas frequentes
What type of star is 81 Leo?
81 Leo is a Class F — F-type (Yellow-White) star.
How far is 81 Leo from Earth?
81 Leo is approximately 143.2 light-years from Earth.
Can you see 81 Leo with the naked eye?
With an apparent magnitude of 5.58, 81 Leo is visible to the naked eye.
What constellation is 81 Leo in?
81 Leo is located in the constellation Leo.