Colloquium on Oct. 24, 2024

Formation and Evolution of Special Dwarf Galaxies

Speaker: Yu Rong (USTC)

Venue: SWIFAR Building 2111

Time: 15:00 PM, Thursday, Oct. 24, 2024

Abstract:

With the advancement of deep-field, high-precision, and multi-band observational techniques, as well as the continuous accumulation of data, astronomers are making rapid progress in studying the properties and formation of dwarf galaxies. These studies help validate the standard galaxy formation and evolution models within the framework of cold dark matter theory, and contribute to understanding the formation of galaxies in the early universe and their internal feedback mechanisms. In recent years, observations have revealed a population of dwarf galaxies with special properties, such as ultra-diffuse galaxies, dark matter deficient dwarfs, and dwarf galaxies hosting active galactic nuclei (AGN), et al. Due to their unique physical properties, these dwarf galaxies serve as important windows for validating standard galaxy evolution models. In this presentation, I will briefly introduce some of the key achievements in our recent observational and theoretical research on special galaxies like ultra-diffuse galaxies and underdeveloped L* galaxies, and discuss the implications of these findings for galaxy formation and internal feedback mechanisms.

Report PPT:  SWIFAR_Yu Rong.pptx