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22/01/21 11:20 AM IST

AstroSat’s Ultraviolet Imaging Telescope spots rare ultraviolet-bright stars

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AstroSat’s Ultraviolet Imaging Telescope spots rare ultraviolet-bright stars in a massive intriguing cosmic dinosaur in the Milky Way

Findings
  • It is said to have at least five generations of stars have spotted rare hot UV-bright stars in it.
  • These stars whose inner core is almost exposed, making them very hot, exist in the late stages of evolution of a Sun-like star.
  • It is not clear how these stars end their lives as not many of them are detected in these fast-evolving phases, making their study crucial.
  • Astronomers distinguished the hot UV-bright stars from the relatively cooler red giant and main-sequence stars which appear dim in these images. 
  • About 34 UV-bright stars were found to be members of the globular cluster. From the data, the team derived the properties of these stars such as their surface temperatures, luminosities and radii.
Source: PIB

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