HETG Observations of the Distant Massive Cooling Flow ZW3146

Details HETG Observations of the Distant Massive Cooling Flow ZW3146 HETG Observations of the Distant Massive Cooling Flow ZW3146

Sep 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000cxo..prop..516c&link_type=abstract

Chandra Proposal ID #02800036

Physics

Chandra Proposal Id #02800036

Scientific paper

We propose to obtain HETGS data on the distant, massive cooling flow cluster ZW3146. The high redshift of this object (z=0.2910) and large cooling rate (1400 solar masses/yr) make it an excellent candidate for measuring various strong X-ray emission lines from cooling ICM plasma. The HETG will allow us to measure a number of X-ray emission lines from the cooling gas. Each of these measurements will provide an independent test of the cooling rates as well as constrain the presence of multi-temperature gas in the core. The 0 order image of the cluster will also be analyzed to constrain the spatial variations of such quantities as the ambient gas temperature, excess absorption, abundance gradients, and overall mass budget in the cluster.

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