バーナード星 vs プロキシマ・ケンタウリ

Property バーナード星 プロキシマ・ケンタウリ
名称 N/A N/A
星座 N/A Centaurus
スペクトル型 N/A Class M — M-type (Red)
見かけの等級 +9.54 +11.01
絶対等級 13.24 15.45
距離 6.0 ly 4.2 ly
質量 N/A N/A
半径 N/A N/A
温度 N/A N/A
光度 N/A N/A

Key Differences

  • Both are nearby red dwarf stars invisible to the naked eye.
  • Barnard's Star has the highest proper motion of any known star (10.3 arcseconds per year).
  • Proxima Centauri is closer at 4.24 light-years; Barnard's Star is 5.96 light-years away.
  • Proxima Centauri has confirmed exoplanets in the habitable zone; Barnard's Star has only a sub-Earth candidate.
  • Barnard's Star will make its closest approach to the Sun in about 10,000 years.

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