The peculiar kinematics of the multiple populations in the globular cluster Messier 80 (NGC 6093)

S Kamann,E Dalessandro, N Bastian,J Brinchmann,M den Brok,S Dreizler,B Giesers, F Göttgens,T-O Husser,D Krajnović,G van de Ven,L L Watkins,L Wisotzki

Monthly Notices of the Royal Astronomical Society（2020）

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摘要

We combine MUSE spectroscopy and Hubble Space Telescope ultraviolet (UV) photometry to perform a study of the chemistry and dynamics of the Galactic globular cluster Messier 80 (M80, NGC 6093). Previous studies have revealed three stellar populations that vary not only in their light-element abundances, but also in their radial distributions, with the concentration decreasing with increasing nitro...

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关键词

stars: abundances – stars: kinematics and dynamics – globular clusters: individual: M80

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