カプタイン星

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カプタイン星 is a M-type (Red) star.

At a distance of approximately 12.8 light-years, カプタイン星 is one of the Sun's closest stellar neighbors. Light that we observe from カプタイン星 today left the star roughly 12 years ago, making it a near neighbor in galactic terms.

カプタイン星 is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.

カプタイン星 has an apparent magnitude of +8.86, placing it beyond naked-eye visibility. A good pair of binoculars or a small telescope is required to observe this star. Observers will note its red hue, which corresponds to a B-V color index of +1.543.

物理的特性

スペクトル型 M Class M — M-type (Red)
色指数 (B−V) 1.543

観測

見かけの等級 +8.86
絶対等級 10.90
距離 12.8 ly

位置

赤経 5h 11.65m
赤緯 -45° 1.11′

Frequently Asked Questions

What type of star is カプタイン星?
カプタイン星 is a Class M — M-type (Red) star.
How far is カプタイン星 from Earth?
カプタイン星 is approximately 12.8 light-years from Earth.
Can you see カプタイン星 with the naked eye?
With an apparent magnitude of 8.86, カプタイン星 is not visible to the naked eye.