Sigma Leonis
Sigma Leon, Latinized daga σ Leonis,tauraro ne mai launin shudi-farin launi a cikin tauraron zodiac Leo wanda ake gani da ido mara kyau tare da girman gani na 4.0. canjin parallax na shekara-shekara na 15.24 mas kamar yadda aka gani daga Duniya yana nuna nisan kusan shekaru haske 210 daga Rana. Yana motsawa kusa da Rana tare da saurin radial na -5 km / s.
 HD 98664 | |
|---|---|
peculiar star (en)  , infrared source (en) , high proper-motion star (en) , near-IR source (en) da UV-emission source (en) | |
| Bayanai | |
| Ƙungiyar taurari |
Leo (en) |
| Spectral class (en) | B9.5Vs |
| Epoch (en) |
J2000.0 (en) |
Chini et al.(2012) sun lissafa wannan a matsayin tsarin binary guda ɗaya. Tauraron Ap ne da ake zargi da kima magnetic wanda ke nuna yawan anomaly tare da kashi silicon. Sigma Leonis yana da kimanin 2.76 sau yawan Sun da 3.3 sau radius na Sun. Yana da kimanin shekaru miliyan 293 tare da saurin juyawa na 70 km / s. Tauraron yana haskakawa 133 sau Hasken rana daga photosphere a tasirin zafin jiki na 10,250 K.