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The Einstein Cross: constraint on dark matter from stellar dynamics and gravitational lensing
Glenn van de Ven, Jesus Falcon-Barroso, Richard M. McDermid +3
[Abridged] We present two-dimensional line-of-sight stellar kinematics of the lens galaxy in the Einstein Cross, obtained with the GEMINI 8m telescope, using the GMOS integral-fiel…
The kinematics of Core and Cusp galaxies: comparing HST imaging and integral-field observations
J. Falcón-Barroso, R. Bacon, M. Cappellari +9
In this proceeding we look at the relationship between the photometric nuclear properties of early-type galaxies from Hubble Space Telescope imaging and their overall kinematics as…
Probing unexplored territories with MUSE: a second generation instrument for the VLT
R. Bacon, S. Bauer, P. Boehm +57
The Multi Unit Spectroscopic Explorer (MUSE) is a second-generation VLT panoramic integral-field spectrograph under preliminary design study. MUSE has a field of 1x1 arcmin**2 samp…
SAURON observations of Sa bulges: the formation of a kinematically decoupled core in NGC5953
J. Falcón-Barroso, R. Bacon, M. Bureau +10
We present results from our ongoing effort to understand the nature and evolution of nearby galaxies using the SAURON integral-field spectrograph. In this proceeding we focus on th…
Kinemetry: a generalisation of photometry to the higher moments of the line-of-sight velocity distribution
Davor Krajnovic, Michele Cappellari, P. Tim de Zeeuw +1
We present a generalisation of surface photometry to the higher-order moments of the line-of-sight velocity distribution of galaxies observed with integral-field spectrographs. The…
A SAURON study of stars and gas in Sa bulges
J. Falcon-Barroso, R. Bacon, M. Bureau +10
We present results from our ongoing effort to understand the morphological and kinematical properties of early-type galaxies using the integral-field spectrograph SAURON. We discus…
The SAURON project - IV. The mass-to-light ratio, the virial mass estimator and the fundamental plane of elliptical and lenticular galaxies
M. Cappellari, R. Bacon, M. Bureau +12
We investigate with unprecedented accuracy the correlations between the dynamical mass-to-light ratio M/L and other global observables of E and S0 galaxies. We construct two-integr…
STIS spectroscopy of the emission line gas in the nuclei of nearby FR-I galaxies
Jacob Noel-Storr, Stefi A. Baum, Gijs Verdoes Kleijn +4
We present the results of the analysis of a set of medium resolution spectra, obtained by the Space Telescope Imaging Spectrograph on board the Hubble Space Telescope, of the emiss…
A SAURON view of galaxies
E. K. Verolme, M. Cappellari, G. van de Ven +10
We have measured the two-dimensional kinematics and line-strength distributions of 72 representative nearby early-type galaxies, out to approximately one effective radius, with our…
Gas Kinematics and the Black Hole Mass at the Center of the Radio Galaxy NGC 4335
Gijs Verdoes Kleijn, Roeland van der Marel, Tim de Zeeuw +2
(abridged) We investigate the kinematics of the central gas disk of the radio-loud elliptical galaxy NGC 4335, derived from HST/STIS long-slit spectroscopic observations of Halpha+…
The curvature condition for self-consistent scale-free galaxies
M. A. Jalali, P. Tim de Zeeuw
We modify the curvature condition for the existence of self-consistent scale-free discs, introduced by Zhao, Carollo & de Zeeuw. We survey the parameter space of the power-law disc…
The counterrotating core and the black hole mass of IC1459
M. Cappellari, E. K. Verolme, R. P. van der Marel +5
The E3 giant elliptical galaxy IC1459 is the prototypical galaxy with a fast counterrotating stellar core. We obtained one HST/STIS long-slit spectrum along the major axis of this…
A SAURON study of M32: measuring the intrinsic flattening and the central black hole mass
E. K. Verolme, M. Cappellari, Y. Copin +6
We present dynamical models of the nearby compact elliptical galaxy M32, using high quality kinematical measurements, obtained with the integral-field spectrograph SAURON mounted o…
Two-integral Schwarzschild models
E. K. Verolme, P. T. de Zeeuw
We describe a practical method for constructing axisymmetric two-integral galaxy models (with distribution functions of the form f(E,L_z), in which E is the orbital energy, and L_z…
Spiral Galaxies with HST/NICMOS. II. Isophotal Fits and Nuclear Cusp Slopes
M. Seigar, C. M. Carollo, M. Stiavelli +2
We present surface brightness profiles for 56 of the 78 spiral galaxies observed in the HST/{\tt NICMOS/Camera-2} F160W snapshot survey introduced in Carollo et al. (2001; paper I)…
Spiral Galaxies with HST/NICMOS. I. Nuclear Morphologies, Color Maps and Distinct Nuclei
C. M. Carollo, M. Stiavelli, M. Seigar +2
This is the first of two papers where we present the analysis of an HST NICMOS-Cam2 near-infared (NIR) snapshot survey in the F160W (H) filter for a sample of 78 spiral galaxies se…
The SAURON project. II. Sample and early results
P. T. de Zeeuw, M. Bureau, E. Emsellem +9
Early results are reported from the SAURON survey of the kinematics and stellar populations of a representative sample of nearby E, S0 and Sa galaxies. The survey is aimed at deter…
MIFS: A Mega Integral Field Spectrograph for the VLT
R. Bacon, G. Adam, S. Cabrit +14
We describe MIFS, a second generation integral-field spectrograph for the VLT, operating in the visible wavelength range. It combines a 1'x1' field of view with the improved spatia…
Self-consistent axisymmetric Sridhar-Touma models
Mir Abbas Jalali, P. Tim de Zeeuw
We construct phase-space distribution functions for the oblate, cuspy mass models of Sridhar & Touma, which may contain a central point mass (black hole) and have potentials of Stä…
The SAURON project. I. The panoramic integral-field spectrograph
R. Bacon, Y. Copin, G. Monnet +10
A new integral-field spectrograph, SAURON, is described. It is based on the Tiger principle, and uses a lenslet array. SAURON has a large field of view and high throughput, and all…
GAIA: Composition, Formation and Evolution of the Galaxy
M. A. C. Perryman, K. S. de Boer, G. Gilmore +7
The GAIA astrometric mission has recently been approved as one of the next two `cornerstones' of ESA's science programme, with a launch date target of not later than mid-2012. GAIA…
A Hipparcos study of the Hyades open cluster: Improved colour-absolute magnitude and Hertzsprung-Russell diagrams
Jos H. J. de Bruijne, Ronnie Hoogerwerf, P. Tim de Zeeuw
Hipparcos parallaxes fix distances to individual stars in the Hyades cluster with an accuracy of 6%. We use the Hipparcos (and Tycho-2) proper motions, which have a larger relative…
Galaxy mapping with the SAURON integral-field spectrograph: The star formation history of NGC 4365
Roger L. Davies, Harald Kuntschner, Eric Emsellem +9
We report the first wide-field mapping of the kinematics and stellar populations in the E3 galaxy NGC 4365. The velocity maps extend previous long-slit work. They show two independ…
Two Boehm-Vitense gaps in the main sequence of the Hyades
Jos H. J. de Bruijne, Ronnie Hoogerwerf, P. Tim de Zeeuw
Hipparcos proper motions and trigonometric parallaxes allow the derivation of secular parallaxes which fix the distances to individual stars in the Hyades cluster to an accuracy of…