ACIS Imaging of Cluster Cooling Flows with the Largest Star Formation Rates

Details ACIS Imaging of Cluster Cooling Flows with the Largest Star Formation Rates ACIS Imaging of Cluster Cooling Flows with the Largest Star Formation Rates

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999cxo..prop..154m&link_type=abstract

Chandra Proposal ID #01800779

Computer Science

Chandra Proposal Id #01800779

Scientific paper

The most important question concerning cooling flows in clusters of galaxies is the fate of the cooling gas. We will reexamine the evidence for cooling flows in the A2597 and Zw3146 clusters, where the hot gas is apparently cooling at rates of 350-1350 solar masses per year. Star formation is ongoing in their central galaxies at rates of 10-100 solar masses per year. We will determine the state of the hot gas in the cluster cores where star formation is observed, and we will compare the cooling rates and columns of absorbing gas directly to the optically-determined star formation rates. We will search for X-ray emission associated with the radio sources, where accelerated cooling in displaced, shock-compressed gas may be triggering star formation.

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