TNPSC Thervupettagam

Discovery of hot stars and white dwarfs

January 6 , 2023 692 days 520 0
  • The Astronomers and scientists at the Indian Institute of Astrophysics (IIA) have found that hot stars and white dwarfs emitted less ultraviolet radiation than expected.
  • It is discovered while studying the Omega Centauri, which is the most massive globular cluster system in our galaxy.
  • The enhancement in helium could be one of the reasons for the lesser far-ultraviolet radiation emitted by these stars.
  • The team detected strange hot stars in the cluster using the Ultraviolet Imaging Telescope (UVIT) images on AstroSat.
  • AstroSat is India’s first dedicated space observatory, which has been operating since 2015.

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