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- Centre National de la Recherche ScientifiqueFR348 papers
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17 papers · 2 filters
New Perspectives on Cooling Flows and Cluster Radio Sources
B. R. McNamara, M. W. Wise, L. P. David +2
We discuss new results from the Chandra X-ray Observatory and XMM-Newton on cluster cooling flows, emphasizing early results from our Chandra programs. We find cooling rates reduce…
A Young Stellar Cluster in the Nucleus of NGC 4449
T. Boeker, R. P. van der Marel, L. Mazzuca +4
We have obtained 1-2 A resolution optical Echellette spectra of the nuclear star cluster in the nearby starburst galaxy NGC 4449. The light is clearly dominated by a very young (6-…
Eccentric Nuclear Disks with Self Gravity: Predictions for the Double Nucleus of M31
R. M. Salow, T. S. Statler
We present a method for constructing models of weakly self-gravitating, finite dispersion eccentric stellar disks around central black holes. The disk is stationary in a frame rota…
SuperMassive Black Holes in Bulges
Marc Sarzi, Hans-Walter Rix, Joseph C. Shields +5
We present spatially extended gas kinematics at parsec-scale resolution for the nuclear regions of four nearby disk galaxies, and model them as rotation of a gas disk in the joint…
Uncovering the Intrinsic Shapes of Elliptical Galaxies. IV. Tests on Simulated Merger Remnants
T. S. Statler
We test the methods developed in previous papers for inferring the intrinsic shapes of elliptical galaxies, using simulated objects from N-body experiments. The shapes of individua…
The Shape and Orientation of NGC 3379: Implications for Nuclear Decoupling
T. S. Statler
The intrinsic shape and orientation of the elliptical galaxy NGC 3379 are estimated by dynamical modeling. The maximal ignorance shape estimate, an average over the parameter space…