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The Atlas3D project -- XXVII. Cold Gas and the Colours and Ages of Early-type Galaxies
L. M. Young, N. Scott, P. Serra +22
We present a study of the cold gas contents of the Atlas3D early-type galaxies, in the context of their optical colours, near-UV colours, and Hβ absorption line strengths. Early-ty…
NGC1266 as a Local Candidate for Rapid Cessation of Star Formation
Katherine Alatalo, Kristina Nyland, Genevieve Graves +27
We present new Spectrographic Areal Unit for Research on Optical Nebulae (SAURON) integral-field spectroscopy and Swift Ultraviolet Optical Telescope (UVOT) observations of molecul…
The ATLAS project - XXV: Two-dimensional kinematic analysis of simulated galaxies and the cosmological origin of fast and slow rotators
T. Naab, L. Oser, E. Emsellem +26
We present a detailed two-dimensional stellar dynamical analysis of a sample of 44 cosmological hydrodynamical simulations of individual central galaxies and their satellites. Kine…
The ATLAS3D Project -- XXIII. Angular momentum and nuclear surface brightness profiles
Davor Krajnovic, A. M. Karick, Roger L. Davies +22
[Abridged and Edited] We investigate nuclear light profiles in 135 ATLAS3D galaxies for which the Hubble Space Telescope (HST) imaging is available and compare them to the large sc…
Probing the mass assembly of massive nearby galaxies with deep imaging
Pierre-Alain Duc
According to a popular scenario supported by numerical models, the mass assembly and growth of massive galaxies, in particular the Early-Type Galaxies (ETGs), is, below a redshift…
The Atlas3D project - XIX. The hot-gas content of early-type galaxies: fast versus slow rotators
Marc Sarzi, Katherine Alatalo, Leo Blitz +20
For early-type galaxies, the ability to sustain a corona of hot, X-ray emitting gas could have played a key role in quenching their star-formation history. Yet, it is still unclear…