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The Planetary Nebulae Population in the Nuclear Regions of M31: the SAURON view
Nicola Pastorello, Marc Sarzi, Michele Cappellari +5
Following a first study of the central regions of M32 that illustrated the power of integral-field spectroscopy (IFS) in detecting and measuring the [O III]λ5007 emission of PNe ag…
Limits on intermediate-mass black holes in six Galactic globular clusters with integral-field spectroscopy
Nora Lützgendorf, Markus Kissler-Patig, Karl Gebhardt +6
The formation of supermassive black holes at high redshift still remains a puzzle to astronomers. Their growth becomes reasonable only when starting from a massive seed black hole…
The ATLAS 3D project - XVI. Physical parameters and spectral line energy distributions of the molecular gas in gas-rich early-type galaxies
Estelle Bayet, Martin Bureau, Timothy A. Davis +22
[Abridged] We present a detailed study of the physical properties of the molecular gas in a sample of 18 molecular gas-rich early-type galaxies (ETGs) from the ATLAS$ 3D sample. Ou…
The ATLAS3D Project - XXI. Correlations between gradients of local escape velocity and stellar populations in early-type galaxies
Nicholas Scott, Michele Cappellari, Roger L. Davies +22
We explore the connection between the local escape velocity, V_esc, and the stellar population properties in the ATLAS3D survey, a complete, volume-limited sample of nearby early-t…
Quenching of Star Formation in Molecular Outflow Host NGC 1266
K. Alatalo, K. E. Nyland, G. Graves +23
We detail the rich molecular story of NGC 1266, its serendipitous discovery within the ATLAS3D survey (Cappellari et al. 2011) and how it plays host to an AGN-driven molecular outf…
AGN Feedback Driven Molecular Outflow in NGC 1266
K. Alatalo, K. E. Nyland, G. Graves +25
NGC 1266 is a nearby field galaxy observed as part of the ATLAS3D survey (Cappellari et al. 2011). NGC 1266 has been shown to host a compact (< 200 pc) molecular disk and a mass-lo…
The ATLAS3D project - XVII. Linking photometric and kinematic signatures of stellar discs in early-type galaxies
Davor Krajnovic, Katherine Alatalo, Leo Blitz +20
[Abridged] We analyse the morphological structures in galaxies of the ATLAS3D sample by fitting a single Sersic profile and decomposing all non-barred objects (180 of 260 objects)…
The Atlas3D project - XIV. The extent and kinematics of molecular gas in early-type galaxies
Timothy A. Davis, Katherine Alatalo, Martin Bureau +23
We use interferometric CO observations to compare the extent, surface brightness profiles and kinematics of the molecular gas in CO-rich Atlas3D early-type galaxies (ETGs) and spir…
The ATLAS3D project - XVIII. CARMA CO imaging survey of early-type galaxies
Katherine Alatalo, Timothy A. Davis, Martin Bureau +23
We present the Combined Array for Research in Millimeter Astronomy (CARMA) ATLAS3D molecular gas imaging survey, a systematic study of the distribution and kinematics of molecular…
Discovery of a giant HI tail in the galaxy group HCG 44
Paolo Serra, Baerbel Koribalski, Pierre-Alain Duc +25
We report the discovery of a giant HI tail in the intra-group medium of HCG 44 as part of the Atlas3D survey. The tail is ~300 kpc long in projection and contains ~5x10^8 M_sun of…
The Atlas3D project - XX. Mass-size and mass-sigma distributions of early-type galaxies: bulge fraction drives kinematics, mass-to-light ratio, molecular gas fraction and stellar initial mass function
Michele Cappellari, Richard M. McDermid, Katherine Alatalo +21
We study the (M,sigma) and (M,Re) projections of the thin Mass Plane (MP) (M,sigma,Re) which describes the distribution of the galaxy population. The distribution of galaxy propert…
The Atlas3D project - XV. Benchmark for early-type galaxies scaling relations from 260 dynamical models: mass-to-light ratio, dark matter, Fundamental Plane and Mass Plane
Michele Cappellari, Nicholas Scott, Katherine Alatalo +21
We study the volume-limited and nearly mass selected (stellar mass M>6*10^9 Msun) Atlas3D sample of 260 early-type galaxies. We construct detailed axisymmetric dynamical models (JA…
Gemini GMOS and WHT SAURON integral-field spectrograph observations of the AGN driven outflow in NGC 1266
Timothy A. Davis, Davor Krajnovic, Richard M. McDermid +24
We use the SAURON and GMOS integral field spectrographs to observe the active galactic nucleus (AGN) powered outflow in NGC 1266. This unusual galaxy is relatively nearby (D=30 Mpc…
The Atlas3D project - XII. Recovery of the mass-to-light ratio of simulated early-type barred galaxies with axisymmetric dynamical models
Pierre-Yves Lablanche, Michele Cappellari, Eric Emsellem +22
We investigate the accuracy in the recovery of the stellar dynamics of barred galaxies when using axisymmetric dynamical models. We do this by trying to recover the mass-to-light r…
High-velocity stars in the cores of globular clusters: The illustrative case of NGC 2808
Nora Lützgendorf, Alessia Gualandris, Markus Kissler-Patig +7
We report the detection of five high-velocity stars in the core of the globular cluster NGC 2808. The stars lie on the the red giant branch and show total velocities between 40 and…
Central kinematics of the globular cluster NGC 2808: Upper limit on the mass of an intermediate-mass black hole
Nora Lützgendorf, Markus Kissler-Patig, Karl Gebhardt +5
Globular clusters are an excellent laboratory for stellar population and dynamical research. Recent studies have shown that these stellar systems are not as simple as previously as…
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…
A systematic variation of the stellar initial mass function in early-type galaxies
Michele Cappellari, Richard M. McDermid, Katherine Alatalo +22
Much of our knowledge of galaxies comes from analysing the radiation emitted by their stars. It depends on the stellar initial mass function (IMF) describing the distribution of st…
Simulations of binary galaxy mergers and the link with Fast Rotators, Slow Rotators, and Kinematically Distinct Cores
Maxime Bois, Eric Emsellem, Frédéric Bournaud +21
We study the formation of early-type galaxies (ETGs) through mergers with a sample of 70 high-resolution numerical simulations of binary mergers of disc galaxies. These simulations…