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Chiaki Kobayashi (Herts)
Thursday 30 January 2014, 16:30-17:30
Nucleosynthesis yields and chemodynamical simulations of galaxies
- đ¤ Speaker: Chiaki Kobayashi (Herts)
- đ Date & Time: Thursday 30 January 2014, 16:30 - 17:30
- đ Venue: Sackler Lecture Theatre, IoA (tea at 4:00 pm)
Abstract
Abstract
Elemental abundance ratios of stars and DLAs retain the information of (1) the formation and evolutionary histories of galaxies and (2) the properties of the first stars. For extremely metal-poor stars and DLAs, the elemental abundance patterns can be explained by the first enrichment from core-collapse supernovae. I am simulating chemodynamical evolution of galaxies using my hydrodynamical code that includes star formation and chemical enrichment from core-collapse and Type Ia supernovae and AGB stars. This successfully reproduces various observations such as the elemental abundance ratios in the Galactic bulge, disk, and thick disk, radial gradients, and mass-metallicity relations of galaxies. I will also show some new results with AGN feedback.
Series This talk is part of the Institute of Astronomy Colloquia series.
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