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- W2975273003 abstract "We investigate the formation processes of the Galactic globular cluster (GC) ω Cen with multiple stellar populations based on our original hydrodynamical simulations with chemical enrichment by Type II supernovae (SNe II), asymptotic giant branch (AGB) stars, and neutron star mergers (NSMs). Multiple stellar populations with a wide range of [Fe/H] can be formed from rather massive and compact molecular clouds with a mass of ≈2 × 107 M⊙ in the central region of its dwarf galaxy within less than a few hundred megayears. Gas ejected from SNe II and AGB stars can mix well to form new stars with higher He abundances (Y) and higher [Fe/H]. The He-rich stars are strongly concentrated in the GC's central region so that the GC can show a steep negative gradient of Y. Relative ratios of light elements to Fe show bimodal distributions for a given [Fe/H] owing to star formation from original gas and AGB ejecta. [La/Fe] and [Ba/Fe] can rapidly increase until [Fe/H] ∼ −1.5 and then decrease owing to Fe ejection from SNe II. Although AGB ejecta can be almost fully retained in the intracluster medium, NSM ejecta can be retained only partially. This difference in the retention capability is responsible for the observed unique [Eu/Fe]−[Fe/H] and [La/Eu]−[Fe/H] relations in ω Cen. The observed [O/Na]−[Fe/H] relation and radial [Fe/H] gradient are yet to be well reproduced in the present model. We briefly discuss how the results change for different yields of AGB stars and SNe II." @default.
- W2975273003 created "2019-10-03" @default.
- W2975273003 creator A5050379623 @default.
- W2975273003 creator A5073753592 @default.
- W2975273003 date "2019-11-27" @default.
- W2975273003 modified "2023-09-26" @default.
- W2975273003 title "A New Formation Model for ω Centauri: A Complex Interplay of Astrophysical Processes" @default.
- W2975273003 cites W1577858873 @default.
- W2975273003 cites W1710113910 @default.
- W2975273003 cites W1942421594 @default.
- W2975273003 cites W1965096667 @default.
- W2975273003 cites W1968384602 @default.
- W2975273003 cites W1974136676 @default.
- W2975273003 cites W1981010879 @default.
- W2975273003 cites W1982940613 @default.
- W2975273003 cites W1983114381 @default.
- W2975273003 cites W1983295796 @default.
- W2975273003 cites W1992885010 @default.
- W2975273003 cites W1994166266 @default.
- W2975273003 cites W1994347582 @default.
- W2975273003 cites W1999188890 @default.
- W2975273003 cites W2006887012 @default.
- W2975273003 cites W2009100622 @default.
- W2975273003 cites W2009592793 @default.
- W2975273003 cites W2020836593 @default.
- W2975273003 cites W2022662825 @default.
- W2975273003 cites W2034477498 @default.
- W2975273003 cites W2034871004 @default.
- W2975273003 cites W2040183906 @default.
- W2975273003 cites W2040993126 @default.
- W2975273003 cites W2047329712 @default.
- W2975273003 cites W2049667484 @default.
- W2975273003 cites W2050452047 @default.
- W2975273003 cites W2061347162 @default.
- W2975273003 cites W2073315801 @default.
- W2975273003 cites W2074619366 @default.
- W2975273003 cites W2079277828 @default.
- W2975273003 cites W2079455850 @default.
- W2975273003 cites W2079490491 @default.
- W2975273003 cites W2081538426 @default.
- W2975273003 cites W2083727808 @default.
- W2975273003 cites W2084059128 @default.
- W2975273003 cites W2088308551 @default.
- W2975273003 cites W2090505598 @default.
- W2975273003 cites W2091356480 @default.
- W2975273003 cites W2105165366 @default.
- W2975273003 cites W2108816713 @default.
- W2975273003 cites W2113209394 @default.
- W2975273003 cites W2115446991 @default.
- W2975273003 cites W2125688432 @default.
- W2975273003 cites W2125810001 @default.
- W2975273003 cites W2126331421 @default.
- W2975273003 cites W2150241790 @default.
- W2975273003 cites W2158127569 @default.
- W2975273003 cites W2158657204 @default.
- W2975273003 cites W2268382917 @default.
- W2975273003 cites W2496141693 @default.
- W2975273003 cites W2577335797 @default.
- W2975273003 cites W2608387713 @default.
- W2975273003 cites W2613499943 @default.
- W2975273003 cites W2621664817 @default.
- W2975273003 cites W2698208338 @default.
- W2975273003 cites W2775727542 @default.
- W2975273003 cites W2794187708 @default.
- W2975273003 cites W2807450763 @default.
- W2975273003 cites W2807811497 @default.
- W2975273003 cites W2826442240 @default.
- W2975273003 cites W2917652337 @default.
- W2975273003 cites W2924192451 @default.
- W2975273003 cites W2937120432 @default.
- W2975273003 cites W2937969673 @default.
- W2975273003 cites W3049022315 @default.
- W2975273003 cites W3098222250 @default.
- W2975273003 cites W3099228180 @default.
- W2975273003 cites W3099462218 @default.
- W2975273003 cites W3100586552 @default.
- W2975273003 cites W3100970929 @default.
- W2975273003 cites W3101152958 @default.
- W2975273003 cites W3101664312 @default.
- W2975273003 cites W3103877238 @default.
- W2975273003 cites W3103930718 @default.
- W2975273003 cites W3104144869 @default.
- W2975273003 cites W3104777999 @default.
- W2975273003 cites W3104923243 @default.
- W2975273003 cites W3105461653 @default.
- W2975273003 cites W3105690913 @default.
- W2975273003 cites W3105776111 @default.
- W2975273003 cites W3106346103 @default.
- W2975273003 cites W3122732601 @default.
- W2975273003 cites W3124361481 @default.
- W2975273003 cites W3124481735 @default.
- W2975273003 cites W3125588606 @default.
- W2975273003 cites W3125660689 @default.
- W2975273003 cites W35544412 @default.
- W2975273003 doi "https://doi.org/10.3847/1538-4357/ab464d" @default.
- W2975273003 hasPublicationYear "2019" @default.
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