Investigating AGN feedback in cool cores detected in Halpha

Details Investigating AGN feedback in cool cores detected in Halpha Investigating AGN feedback in cool cores detected in Halpha

Sep 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009cxo..prop.2896g&link_type=abstract

Chandra proposal ID #11800084

Computer Science

Scientific paper

Chandra has changed our understanding of the cool cores of galaxy clusters from a relatively simple place where gas is cooling and flowing towards the center to a very dynamic place where heating from the central AGN and cooling, as inferred from active star formation, molecular gas and Halpha nebulosity, find an uneasy balance. With the aim to get a comprehensive picture of the AGN feedback mechanism, we propose to investigate the X-ray/radio interaction in a compilation of targets selected among the brightest X-ray clusters and the most luminous emitters in Halpha, which is a promising diagnostic of cool gas in cluster cores. We request joint Chandra and VLA observations of four objects for a total exposure of 287ks and 28h, respectively (44ks and 3h for the top-priority target).

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