81 Leo
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81 Leo
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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.
Propriétés physiques
| Classe Spectrale | F Class F — F-type (Yellow-White) |
| Indice de couleur (B−V) | 0,390 |
Observation
| Magnitude Apparente | +5.58 |
| Magnitude Absolue | 2,37 |
| Distance | 143 ly |
| Constellation | Leo |
Position
| Ascension droite | 11h 25,61m |
| Déclinaison | 16° 27,39′ |