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The phase-space density distribution of dark matter halos
Liliya L. R. Williams, Crystal Austin, Eric Barnes +2
High resolution N-body simulations have all but converged on a common empirical form for the shape of the density profiles of halos, but the full understanding of the underlying ph…
The X-ray source population of the globular cluster M15: Chandra high resolution imaging
D. C. Hannikainen, P. A. Charles, L. van Zyl +5
The globular cluster M15 was observed on three occasions with the High Resolution Camera on board Chandra in 2001 in order to investigate the X-ray source population in the cluster…
Disk Galaxy Rotation Curves in Triaxial CDM Halos
E. Hayashi, J. F. Navarro, A. Jenkins +7
We use N-body hydrodynamical simulations to study the structure of disks in triaxial potentials resembling CDM halos. Our analysis focuses on the accuracy of the dark mass distribu…
The double main sequence of Omega Centauri
L. R. Bedin, G. Piotto, J. Anderson +4
Recent, high precision photometry of Omega Centauri, the biggest Galactic globular cluster, has been obtained with Hubble Space Telescope. The color magnitude diagram reveals an un…
The Observed and Predicted Spatial Distribution of Milky Way Satellite Galaxies
B. Willman, F. Governato, J. J. Dalcanton +2
We review evidence that the census of Milky Way satellites similar to those known may be incomplete at low latitude due to obscuration and in the outer halo due to a decreasing sen…