An image of the open cluster Trumpler 20. Credit: University of Vienna
An international team has detected two new giant lithium-abundant stars in an old open cluster named Trumpler20. The discovery could yield new important information regarding the phenomenon of omnipresence of lithium-rich stars in different environments throughout the universe. The newly found stars were designated MG 340 and MG 591. They were detected during an analysis of a sample of 40 giant stars of the 1.66 billion-year-old Trumpler 20 cluster, for which high-resolution spectra were obtained by the Ultraviolet and Visual Echelle Spectrograph (UVES) on the Very Large Telescope (VLT) in Chile...
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