Star formation quenching in galaxies

T. Kimm, R. S. Somerville, S. K. Yi, F. C. Van Den Bosch, S. Salim, F. Fontonot, P. Monaco, H. J. Mo, A. Pasquali, R. M. Rich, X. Yang

Research output: Chapter in Book/Report/Conference proceedingConference contribution


We investigate the correlation of star formation quenching with internal galaxy properties and environment by comparing observation and theoretical models. We first classify galaxies as the most massive "central" or "satellite" in each halo in order to investigate the environmental effect. For observed central galaxies, we are unable to determine whether star formation quenching is primarily connected with halo mass or stellar mass, because these two quantities are strongly correlated. For satellite galaxies, a nearly equal dependence on halo mass and stellar mass is seen. We find that theoretical models with AGN feedback reproduce the dependence on colours and specific star formation rates for central galaxies reasonably. However, the same models seriously fail to reproduce the star formation rates of satellite galaxies by over-quenching star formation via strong strangulation: satellite over-quenching problem.

Original languageEnglish
Title of host publicationThe Role of the Disk-Halo Interaction in Galaxy Evolution
Subtitle of host publicationOutflows vs. Infall?
Number of pages4
Publication statusPublished - 2012
EventThe Role of the Disk-Halo Interaction in Galaxy Evolution: Outflows vs. Infall? - Espinho, Portugal
Duration: 2008 Aug 182008 Aug 22

Publication series

NameEAS Publications Series
ISSN (Print)1633-4760
ISSN (Electronic)1638-1963


OtherThe Role of the Disk-Halo Interaction in Galaxy Evolution: Outflows vs. Infall?

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Engineering(all)
  • Space and Planetary Science


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