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The Atlas3D project -- XXIX. The new look of early-type galaxies and surrounding fields disclosed by extremely deep optical images
Pierre-Alain Duc, Jean-Charles Cuillandre, Emin Karabal +24
Galactic archeology based on star counts is instrumental to reconstruct the past mass assembly of Local Group galaxies. The development of new observing techniques and data-reducti…
Connection between dynamically derived IMF normalisation and stellar population parameters
Richard M. McDermid, Michele Cappellari, Katherine Alatalo +22
We report on empirical trends between the dynamically determined stellar initial mass function (IMF) and stellar population properties for a complete, volume-limited sample of 260…
The Atlas3D project - XXIV. The intrinsic shape distribution of early-type galaxies
Anne-Marie Weijmans, P. T. de Zeeuw, Eric Emsellem +23
We use the Atlas3D sample to perform a study of the intrinsic shapes of early-type galaxies, taking advantage of the available combined photometric and kinematic data. Based on our…
Integral Field spectroscopy of two HI rich E+A galaxies
Michael Pracy, Matt Owers, Martin Zwaan +4
Approximately half of the nearby E+A galaxies followed up with 21-cm observations have detectable HI emission. The optical spectra of these galaxies show strong post-starburst stel…
Ionized gas disks in elliptical and S0 galaxies at
Yara L. Jaffe, Alfonso Aragon-Salamanca, Bodo Ziegler +7
We analyse the extended, ionized-gas emission of 24 early-type galaxies (ETGs) at from the ESO Distant Cluster Survey (EDisCS). We discuss different possible sources of ion…
The ATLAS3D Project - XXVIII. Dynamically-driven star formation suppression in early-type galaxies
Timothy A. Davis, Lisa M. Young, Alison F. Crocker +22
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) 22um and Galax…
Globular clusters of NGC 3115 in the near-infrared. Demonstrating the correctness of two opposing scenarios
Michele Cantiello, John P. Blakeslee, Gabriella Raimondo +4
We combined new near-infrared VLT/HAWK-I data of the globular clusters (GCs) in the isolated edge-on S0 galaxy NGC 3115 with optical and spectroscopic ones taken from the literatur…
The Atlas3D project - XXVI. HI discs in real and simulated fast and slow rotators
Paolo Serra, Ludwig Oser, Davor Krajnovic +24
One quarter of all nearby early-type galaxies (ETGs) outside Virgo host a disc/ring of HI with size from a few to tens of kpc and mass up to ~1e+9 solar masses. Here we investigate…