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Helium-enhanced cool bright stars among Omega Centauri discovered

  • IASbaba
  • August 24, 2020
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Helium-enhanced cool bright stars among Omega Centauri discovered

Part of: GS-Prelims and GS-III – Space

In News:

  • Helium-enhanced cool bright stars among the metal-rich parts of Omega Centauri globular cluster have been recently discovered. 
  • This is the first-ever spectroscopic determination of Helium-abundance in Omega Centauri.
  • Omega Centauri: The brightest and the largest globular cluster in the Milky Way Galaxy. 

Important value additions 

Global clusters

  • These are the stellar systems with millions of stars formed from the same gaseous cloud. 
  • The stars formed will be homogeneous in their chemical composition.
  • However, the different stars of Omega Centauri do not show the same metal content

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