Seminar No.72(Institute of Astronomy, Zhejiang University)
Time: 4Monday15:30-17:00,8st,Apr.
Address: 324, Building 8, Haina Garden, West District, Zijingang
Speaker: Dr. Junjie Mao
Monday15:30-17:00,8st,Apr. 324, Building 8, Haina Garden, West District, ZijingangElemental abundances of hot plasmas in individual galaxies and galaxy assembliesAbstract:Hot plasmas in individual galaxies and galaxy assemblies are enriched with metals because metal lines stand out above the continuum in the observed X-ray spectra. The observed elemental abundances encode the chemical enrichment processes of the hot plasmas. Dying stars (AGB stars, core-collapse, and type Ia supernovae) are the main cosmic metal factories. Various processes (e.g., AGN feedback, ram pressure) can redistri...
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