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The ATLAS3D project - XXVII : Cold gas and the colours and ages of early-type galaxies
(2014-11-11)
We present a study of the cold gas contents of the ATLAS3D early-type galaxies, in the context of their optical colours, near-ultraviolet colours and Hβ absorption line strengths. Early-type (elliptical and lenticular) ...
The ATLAS3D Project - XXVIII : Dynamically driven star formation suppression in early-type galaxies
(2014-11-11)
We present measurements of the star formation rate (SFR) in the early-type galaxies (ETGs) of the ATLAS3D sample, based on Wide-field Infrared Survey Explorer (WISE) 22 μm and Galaxy Evolution Explorer far-ultraviolet ...
The ATLAS3D project - XXVI : H I discs in real and simulated fast and slow rotators
(2014-11-11)
One quarter of all nearby early-type galaxies (ETGs) outside Virgo host a disc/ring of H I with size from a few to tens of kpc and mass up to ∼109 M⊙. Here we investigate whether this H I is related to the presence of a ...