The role of environment on the star formation quenching of satellite galaxies

Main Author: Cortese, Luca
Format: Proceeding poster Journal
Terbitan: , 2021
Online Access: https://zenodo.org/record/4721510
Daftar Isi:
  • One of the key open questions in extragalactic astronomy is what stops star formation in galaxies. At least for satellite galaxies, it is accepted that environment should play an important role. In clusters, we see examples of cold gas being removed from the infalling star-forming disks, but whether stripping is widespread, or quenching is just a consequence of the inability of these galaxies to replenish their cold gas reservoirs, remains unclear. Moreover, whether quenching is accompanied by structural transformation is still a matter of debate. In this talk, I will discuss the current status of environmental studies of satellites in the local Universe, focusing on the evidence for a physical link between stripping and quenching of the star formation, and on the connection between quenching and morphological transformation. I will show how the combination of HI, CO and optical spectroscopic surveys is finally providing us with a coherent picture for the evolution of satellites at z~0.