カペラ (恒星)

13Alp Aur

カペラ (恒星) is a M-type (Red) star. It carries the designation 13Alp Aur.

カペラ (恒星) lies approximately 42.8 light-years from Earth, placing it within the Sun's local stellar neighborhood. This relatively short cosmic distance means the light reaching us today departed the star only about 42 years ago.

カペラ (恒星) is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.

カペラ (恒星) has an apparent magnitude of +0.08, making it a bright and prominent star that is readily visible to the naked eye. It is one of the more conspicuous stars in its region of the sky. Observers will note its yellow-white hue, which corresponds to a B-V color index of +0.795.

物理的特性

スペクトル型 Class M — M-type (Red)
色指数 (B−V) 0.795

観測

見かけの等級 +0.08
絶対等級 -0.51
距離 42.8 ly

位置

赤経 5h 16.69m
赤緯 45° 59.88′

Related Chemistry

Explore the chemical elements connected to カペラ (恒星) on our sister site ChemFYI.

C…
Hydrogen (H)

Both components are evolved G-type giants with hydrogen envelopes

 C…
Iron (Fe)

Rich metallic spectrum characteristic of G-type giant stars

 C…
Calcium (Ca)

Ca II H & K chromospheric emission lines in this active binary

Part of the Science FYI Family

よくある質問

What type of star is カペラ (恒星)?
カペラ (恒星) is a Class M — M-type (Red) star.
How far is カペラ (恒星) from Earth?
カペラ (恒星) is approximately 42.8 light-years from Earth.
Can you see カペラ (恒星) with the naked eye?
With an apparent magnitude of 0.08, カペラ (恒星) is visible to the naked eye.