Velocity Field of the Optical Nebula at the Center of the Perseus Cluster

Details Velocity Field of the Optical Nebula at the Center of the Perseus Cluster Velocity Field of the Optical Nebula at the Center of the Perseus Cluster

Aug 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011scgg.conf...29l&link_type=abstract

"Structure in Clusters and Groups of Galaxies in the Chandra Era, 2011 Chandra Science Workshop held July 12-14, 2011. Edited by

Computer Science

1

Scientific paper

The optical nebulae at the centers of cool-core clusters may trace streamlines due to cooling flows and/or AGN activity. Here we present the velocity field of the entire optical nebula at the center of the Perseus cluster. The velocity field allows us to better disentangle the different structures that make up this nebula and test models for how these structures are produced. For example, we find that the velocity fields of the pairs of horseshoe-like filaments associated with the north-western and southern X-ray cavities differ in important aspects from the model where they comprise vortices behind rising bubbles.

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