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Powerful H Line-cooling in Stephan's Quintet : I - Mapping the Significant Cooling Pathways in Group-wide Shocks
M. E. Cluver, P. N. Appleton, F. Boulanger +10
We present results from the mid-infrared spectral mapping of Stephan's Quintet using the Spitzer Space Telescope. A 1000 km/s collision has produced a group-wide shock and for the…
Spatially Resolved Chandra HETG Spectroscopy of the NLR Ionization Cone in NGC 1068
Daniel A. Evans, Patrick M. Ogle, Herman L. Marshall +9
We present initial results from a new 440-ks Chandra HETG GTO observation of the canonical Seyfert 2 galaxy NGC 1068. The proximity of NGC 1068, together with Chandra's superb spat…
Searching for AGN Outflows: Spatially Resolved Chandra HETG Spectroscopy of the NLR Ionization Cone in NGC 1068
Daniel A. Evans, Patrick M. Ogle, Herman L. Marshall +9
We present initial results from a new 440-ks Chandra HETG GTO observation of the canonical Seyfert 2 galaxy NGC 1068. The proximity of NGC 1068, together with Chandra's superb spat…
Cosmic Evolution of Star Formation In SDSS Quasar Hosts Since z=1
Yong Shi, George H. Rieke, Patrick Ogle +2
We present Spitzer IRS observations of a complete sample of 57 SDSS type-1 quasars at z~1. Aromatic features at 6.2 and/or 7.7 um are detected in about half of the sample and show…
Structure of the Accretion Flow in Broad-Line Radio Galaxies: The Case of 3C390.3
R. M. Sambruna, J. N. Reeves, V. Braito +8
We present XMM and Suzaku observations of the Broad-Line Radio Galaxy (BLRG) 3C390.3. The Fe Ka line has a width FWHM ~ 8,800 km/s, consistent within a factor two with the width of…
Cosmic Feedback from Supermassive Black Holes
A. Fabian, E. Churazov, M. Donahue +16
An extraordinary recent development in astrophysics was the discovery of the fossil relationship between central black hole mass and the stellar mass of galactic bulges. The physic…
The Dark Side of Reionization: Probing Cooling in the Early Universe
P. N. Appleton, L. Armus, A. Blain +17
Probing the growth of structure from the epoch of hydrogen recombination to the formation of the first stars and galaxies is one of the most important uncharted areas of observatio…
The Evolution of Galaxy Clusters Across Cosmic Time
M. Arnaud, H. Bohringer, C. Jones +40
The large scale structure of the present Universe is determined by the growth of dark matter density fluctuations and by the dynamical action of dark energy and dark matter. While…