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The STAGES view of red spirals and dusty red galaxies: Mass-dependent quenching of star-formation in cluster infall
Christian Wolf, Alfonso Aragon-Salamanca, Michael Balogh +22
We investigate the properties of optically passive spirals and dusty red galaxies in the A901/2 cluster complex at redshift ~0.17 using restframe near-UV-optical SEDs, 24 micron IR…
Obscured star formation in intermediate-density environments: A Spitzer study of the Abell 901/902 supercluster
A. Gallazzi, E. F. Bell, C. Wolf +23
We explore the amount of obscured star-formation as a function of environment in the A901/902 supercluster at z=0.165 in conjunction with a field sample drawn from the A901 and CDF…
A census of metals and baryons in stars in the local Universe
Anna Gallazzi, Jarle Brinchmann, Stephane Charlot +1
We combine stellar metallicity and stellar mass estimates for a large sample of galaxies drawn from the SDSS DR2 spanning wide ranges in physical properties, in order to derive an…
Ages and metallicities of early-type galaxies in the SDSS: new insight into the physical origin of the colour-magnitude and the Mg2-sigmaV relations
A. Gallazzi, S. Charlot, J. Brinchmann +1
We exploit recent constraints on the ages and metallicities of early-type galaxies in the Sloan Digital Sky Survey (SDSS) to gain new insight into the physical origin of two fundam…
Halpha surface photometry of galaxies in nearby clusters. V: the survey completion
G. Gavazzi, A. Boselli, L. Cortese +4
We present the Halpha imaging observations of 273 late-type galaxies in the nearby rich galaxy clusters Virgo, A1367, Coma, Cancer, Hercules and in the Great Wall, carried out prim…
The ages and metallicities of galaxies in the local universe
Anna Gallazzi, Stephane Charlot, Jarle Brinchmann +2
We derive stellar metallicities, light-weighted ages and stellar masses for a magnitude-limited sample of 175,128 galaxies drawn from the Sloan Digital Sky Survey Data Release Two…