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- Centre National de la Recherche ScientifiqueFR348 papers
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16 papers · 2 filters
The diagnostic power of X-ray emission lines in GRBs
M. Boettcher
Absorption and reprocessing of Gamma-ray burst radiation in the environment of cosmological GRBs can be used as a powerful probe of the elusive nature of their progenitors. Althoug…
Self-Gravitating Eccentric Disk Models for the Double Nucleus of M31
Robert M. Salow, Thomas S. Statler
We present new dynamical models of weakly self-gravitating, finite dispersion eccentric stellar disks around central black holes for the double nucleus of M31. The disk is fixed in…
Magnetic Bubbles in Galaxy Clusters
B. R. McNamara
I discuss Chandra X-ray Observatory measurements of cavities in galaxy clusters and their implications for heating the intracluster gas. The emerging paradigm for cooling flows has…
Emission and absorption in Narrow-Line Seyfert 1 Galaxies
Anca Constantin, Joseph C. Shields
The emission and absorption attributes of the UV-blue nuclear spectra of the Narrow-Line Seyfert 1 (NLS1) galaxies are analyzed based on high quality archival HST observations. Mea…
The Insignificance of Global Reheating in the Abell 1068 Cluster: Multiwavelength Analysis
B. R. McNamara, M. W. Wise, S. S. Murray
We present a detailed, multiwavelength study of the Abell 1068 galaxy cluster, and we use this data to test cooling and energy feedback models of galaxy clusters. Near ultraviolet…
The Insignificance of Global Reheating in the Abell 1068 Cluster: X-Ray Analysis
Michael W. Wise, Brian R. McNamara, Steve S. Murray
We report on a Chandra observation of the massive, medium redshift (z=0.1386) cooling flow cluster Abell 1068. We detect a clear temperature gradient in the X-ray emitting gas from…