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174 papers · 1 filter
Gas Dynamics in the Milky Way: Second Pattern Speed and Large-Scale Morphology
Nicolai Bissantz, Peter Englmaier, Ortwin Gerhard
We present new gas flow models for the Milky Way inside the solar circle. To this end we use SPH simulations in gravitational potentials determined from the NIR luminosity distribu…
XMM-Newton Studies of the Source Population and the Hot Interstellar Medium in Nearby Galaxies
W. Pietsch
First results of X-ray source population studies in nearby galaxies show the potential of XMM-Newton observations. I will report on first XMM-Newton M31 results and on three of our…
NUGA: the IRAM survey of AGN spiral hosts
S. Garcia-Burillo, F. Combes, A. Eckart +8
The NUclei of GAlaxies (NUGA) project is a combined effort to carry out a high-resolution (<1'') interferometer CO survey of a sample of 12 nearby AGN spiral hosts, using the IRAM…
Reproducing the entropy structure in galaxy groups
A. Finoguenov, S. Borgani, L. Tornatore +1
We carry out a comparison between observations and hydrodynamic simulations of entropy profiles of groups and clusters of galaxies. We use the Tree+SPH GADGET code to simulate four…
Deep XMM-Newton survey of M33
W. Pietsch, M. Ehle, F. Haberl +2
In an XMM-Newton raster observation of the bright local group spiral galaxy M33 we study the population of X-ray sources (X-ray binaries, supernova remnants, super-shells) down to…
The dynamical state of the Coma cluster with XMM-Newton
D. M. Neumann, D. H. Lumb, G. W. Pratt +1
We present in this paper a substructure and spectroimaging study of the Coma cluster of galaxies based on XMM-Newton data. XMM-Newton performed a mosaic of observations of Coma to…