Matches in SemOpenAlex for { <https://semopenalex.org/work/W2891011551> ?p ?o ?g. }
- W2891011551 endingPage "5369" @default.
- W2891011551 startingPage "5350" @default.
- W2891011551 abstract "The formation and chemical evolution of the Milky Way Galaxy is numerically simulated by developing a Monte Carlo approach to predict the elemental abundance gradients and other galactic features using the revised solar abundance. The galaxy is accreted gradually by using either a two-infall or a three-infall accretion scenario. The galaxy is chemically enriched by the nucleosynthetic contributions from an evolving ensemble of generations of stars. We analyse the role of star formation efficiency. The influence of the radial gas inflow as well as radial gas mixing on the evolution of galaxy is also studied. The SN Ia delay time distribution (DTD) is incorporated by synthesizing SN Ia populations using random numbers based on a distribution function. The elemental abundance evolutionary trends corroborate fractional contributions of ~0.1 from prompt ( < 100 Myr) SN Ia population. The models predict steep gradients in the inner regions and less steep gradients in the outer regions which agrees with the observations. The gradients indicate an average radial gas mixing velocity of < 1 km/s. The models with radial gas inflows reproduce the observed inversion in the elemental abundance gradients around 2 billion years. The three-infall accretion scenario performs better than the two-infall accretion model in terms of explaining the elemental abundance distributions of the galactic halo, thick and thin discs. The accuracy of all the models has been monitored as a cumulative error of < 0.15 M in the mass balance calculations during the entire evolution of the galaxy." @default.
- W2891011551 created "2018-09-27" @default.
- W2891011551 creator A5039625800 @default.
- W2891011551 creator A5042780862 @default.
- W2891011551 date "2018-09-26" @default.
- W2891011551 modified "2023-09-27" @default.
- W2891011551 title "A Monte Carlo based simulation of the Galactic chemical evolution of the Milky Way Galaxy" @default.
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