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The ATLAS3D project - XXII. Low-efficiency star formation in early-type galaxies: hydrodynamic models and observations
Marie Martig, Alison F. Crocker, Frederic Bournaud +27
We study the global efficiency of star formation in high resolution hydrodynamical simulations of gas discs embedded in isolated early-type and spiral galaxies. Despite using a uni…
Formation and evolution of dwarf early-type galaxies in the Virgo cluster II. Kinematic Scaling Relations
E. Toloba, A. Boselli, R. Peletier +3
We place our sample of 18 Virgo dwarf early-type galaxies (dEs) on the V-K - velocity dispersion, Faber-Jackson, and Fundamental Plane (FP) scaling relations for massive early-type…
3D view on Virgo and field dwarf elliptical galaxies: late-type origin and environmental transformations
Agnieszka Ryś, Jesús Falcón-Barroso, Glenn van de Ven
We show the effects of environmental evolution on Virgo cluster and field dwarf elliptical galaxies (dEs), presenting the first large-scale integral-field spectroscopic data for th…
CALIFA, the Calar Alto Legacy Integral Field Area survey. II. First public data release
CALIFA collaboration, B. Husemann, K. Jahnke +74
We present the first public data release of the CALIFA survey. It consists of science-grade optical datacubes for the first 100 of eventually 600 nearby (0.005<z<0.03) galaxies, ob…
Systematic variation of the stellar Initial Mass Function with velocity dispersion in early-type galaxies
I. Ferreras, F. La Barbera, R. R. de Carvalho +4
An essential component of galaxy formation theory is the stellar initial mass function (IMF), that describes the parent distribution of stellar mass in star forming regions. We pre…
The SAURON project-XXI. The spatially-resolved UV-line strength relations of early-type galaxies
Hyunjin Jeong, Sukyoung K. Yi, Martin Bureau +13
The unexpected rising flux of early-type galaxies at decreasing ultraviolet (UV) wavelengths is a long-standing mystery. One important observational constraint is the correlation b…