りゅう座アルファ星
11Alp Dra
りゅう座アルファ星 is a A-type (White) star. It carries the designation 11Alp Dra.
Located approximately 303.1 light-years from Earth, りゅう座アルファ星 resides within the broader disk of our Milky Way galaxy.
りゅう座アルファ星 is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
At an apparent magnitude of +3.67, りゅう座アルファ星 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 hue, which corresponds to a B-V color index of -0.049.
物理的特性
| スペクトル型 | Class A — A-type (White) |
| 色指数 (B−V) | -0.049 |
観測
| 見かけの等級 | +3.67 |
| 絶対等級 | -1.17 |
| 距離 | 303 ly |
位置
| 赤経 | 14h 4.39m |
| 赤緯 | 64° 22.55′ |
よくある質問
What type of star is りゅう座アルファ星?
りゅう座アルファ星 is a Class A — A-type (White) star.
How far is りゅう座アルファ星 from Earth?
りゅう座アルファ星 is approximately 303.1 light-years from Earth.
Can you see りゅう座アルファ星 with the naked eye?
With an apparent magnitude of 3.67, りゅう座アルファ星 is visible to the naked eye.