Galaxy groups and clusters and their brightest galaxies within the cosmic web

Understand

Our aim is to combine data on single galaxies, galaxy groups, their BGGs, and their location in the cosmic web, to determine classes of groups, and to obtain a better understanding of their properties and evolution.

• Data on groups and their BGGs are based on the Sloan Digital Sky Survey DR10 MAIN spectroscopic galaxy sample.
• We characterize the group environments by the luminosity-density field and their filament membership.
• We divide BGGs according to their star formation properties as quenched, and red and blue star-forming galaxies.