りゅう座アルファ星

11Alp Dra

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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 A 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′

Frequently Asked Questions

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.