Alpha Centauri has

Alpha Centauri has , or Rigel Kentaurus has (the foot of the Arab Centaur in ) is most brilliant of the three star S which forms the system Alpha Centauri.

With 4,36 light-years, it is one of the stars closest to the Ground. It is also a star with own Mouvement high (3,7" α and 0,48" δ). From its Magnitude connect (- 0,01), Alpha Centauri has is the fourth most brilliant star of the night sky.

The physical characteristics of Centauri Alpha has (mass, diameter, temperature) are very close to those of the Sun. Like him, it is of a dwarf star yellow-orange pertaining to the principal Séquence, and about spectral Type G2V. Its composition is such as the abundance of the chemical elements is there almost twice higher than that of the Sun.

Designations

  • Common nouns: Alpha Centauri has, Rigel Kentaurus has, Toliman
  • Désignation from Bayer: α1 Centauri
  • Harvard Revised Photometry: HR 5459
  • Henry Catalog To drape: HD 128620
  • Gliese Catalogs Nearby Stars off: Gl 559 has
  • Catalog SAO: SAO 252838
  • Fifth Fundamental Catalogs: FK5 538
  • Catalog Hipparcos: HIP 71683

See too

  • Alpha Centauri
  • Alpha Centauri B
  • Proxima Centauri
  • Constellation of the Centaur
  • List of stars close
  • List to most brilliant stars

External bond

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