Other
Scientific paper
Sep 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003cxo..prop.1555s&link_type=abstract
Chandra Proposal ID #05800246
Other
Chandra Proposal Id #05800246
Scientific paper
We propose high-resolution Chandra observations of the central cool cores in the clusters A2670 and A2107. Optical observations show that they have cD galaxies with very large peculiar velocities. We will compare the core velocities derived from the X-ray observations with peculiar velocities from optical redshifts of the cDs. Moreover, we will study hydrodynamical instabilities (e.g., convection and the Kelvin-Helmholtz instability) that are expected to develop around the cores, and determine the three dimensional structures. In these cores, cooling flows may be destroyed by the instabilities. We will also study the interaction between the cD galaxies and other cluster galaxies, which will give us the information of cD formation processes. We will search for evidence for cluster mergers.
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