Estrella de Barnard vs Próxima Centauri

Property Estrella de Barnard Próxima Centauri
Designación N/A N/A
Constelación N/A Centaurus
Clase Espectral N/A Class M — M-type (Red)
Magnitud Aparente +9.54 +11.01
Magnitud Absoluta 13.24 15.45
Distancia 6.0 ly 4.2 ly
Masa N/A N/A
Radio N/A N/A
Temperatura N/A N/A
Luminosidad 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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