R Leonis
| R Leonis | |
|---|---|
| R Leonis evaporating planet.png Renderização de R Leonis evaporando o seu companheiro planetário. | |
| Dados observacionais ([[Época (astronomia)|]]) | |
| Constelação | Leão |
| Asc. reta | 09h 47m 33.4904s |
| Declinação | +11° 25′ 43.646″ |
| Magnitude aparente | 4.4 - 11.3[1] |
| Características | |
| Tipo espectral | M8IIIe |
| Variabilidade | Mira |
| Astrometria | |
| Distância | 370 anos-luz 113.5 pc |
| Detalhes | |
| Massa | 0.7 M☉ |
| Raio | 320-350 R☉ |
| Luminosidade | 8090 L☉ |
| Temperatura | 2930-3080 K |
| Outras denominações | |
| Leo, HIP 48036, HD 84748 ,HR 3882, BD+12 2096, AG+11 1144, SAO 98769 | |
R Leonis é uma estrela gigante vermelha na constelação de Leão.
A magnitude aparente da R Leonis varia entre 4.31 e 11.65 com um período de 312 dias. No máximo pode ser visto a olho nu, enquanto que no mínimo um telescópio de 7 cm é necessário.
Referências
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