TY - GEN
T1 - Star formation quenching in galaxies
AU - Kimm, T.
AU - Somerville, R. S.
AU - Yi, S. K.
AU - Van Den Bosch, F. C.
AU - Salim, S.
AU - Fontonot, F.
AU - Monaco, P.
AU - Mo, H. J.
AU - Pasquali, A.
AU - Rich, R. M.
AU - Yang, X.
PY - 2012
Y1 - 2012
N2 - 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.
AB - 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.
UR - http://www.scopus.com/inward/record.url?scp=84883419961&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84883419961&partnerID=8YFLogxK
U2 - 10.1051/eas/1256025
DO - 10.1051/eas/1256025
M3 - Conference contribution
AN - SCOPUS:84883419961
SN - 9782759807871
T3 - EAS Publications Series
SP - 167
EP - 170
BT - The Role of the Disk-Halo Interaction in Galaxy Evolution
T2 - The Role of the Disk-Halo Interaction in Galaxy Evolution: Outflows vs. Infall?
Y2 - 18 August 2008 through 22 August 2008
ER -