Connecting galaxies with their environment: From pair to cluster – Ankit Kumar

In the hierarchical picture of galaxy formation and evolution, galaxies go through several gravitational interactions (mergers and fly-bys), which play a crucial role in their morphological and kinematical evolution. In this seminar, I will talk about the evolution of disks, bulges and spirals in the MW-like galaxies during fly-by interactions and discuss the density-wave nature of spirals as a plausible explanation for the vertical breathing motion observed in the MW. Then I will connect these interactions with the formation of submillimeter galaxies (SMGs) and model the SMGs in the EAGLE, IllustrisTNG and FLAMINGO cosmological simulations. Finally, I will use the modelled SMGs in the FLAMINGO to make predictions for upcoming TolTEC survey on 50-m LMT telescope and discuss their properties in the clusters, filaments and voids environments identified using DisPerSE code from z = 4 to 1.