The Hyperluminous Infrared Galaxy IRAS 09104+4109: An Extreme Brightest Cluster Galaxy

Details The Hyperluminous Infrared Galaxy IRAS 09104+4109: An Extreme Brightest Cluster Galaxy The Hyperluminous Infrared Galaxy IRAS 09104+4109: An Extreme Brightest Cluster Galaxy

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008cxo..prop.2657c&link_type=abstract

Chandra proposal ID #10800695

Computer Science

Scientific paper

We propose a detailed study of the hyperluminous infrared BCG IRAS 09104+4109. This BCG is in the rich cluster MACS J0913.7+4056, and likely hosts a ``changing-look'' AGN and the highest redshift AGN blown bubbles known to date. The environment of the BCG is best described as extreme, with cannibalized companion galaxies, the most powerful radio source of any IRAS object, and an AGN which has established a new beaming direction in the last 70 kyrs. Understanding the relationship of the BCG, AGN, and ICM in this peculiar and unique object will aide in developing better models for coupling together galaxy formation, AGN feedback, and large scale cluster environment. IRAS 09104+4109 is an ideal test case of a very short-lived but highly active stage of cluster and central galaxy formation.

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