Kinematic Measurements of AGN Feedback in the Era of the International X-ray Observatory IXO

Details Kinematic Measurements of AGN Feedback in the Era of the International X-ray Observatory IXO Kinematic Measurements of AGN Feedback in the Era of the International X-ray Observatory IXO

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21345421h&link_type=abstract

American Astronomical Society, AAS Meeting #213, #420.11; Bulletin of the American Astronomical Society, Vol. 41, p.353

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Scientific paper

The International X-ray Observatory (IXO) will open a new window into the study of AGN feedback in galaxy clusters. Its high spectral resolution and throughput will allow us, for the first time, to directly detect the large scale motions induced by expanding radio lobes/X-ray cavities of powerful AGN (like Cygnus A), thereby calibrating their power without the need for additional hydrodynamic assumptions. Such a measurement will allow us to calibrate the AGN feedback efficiency in clusters. We present detailed numerical simulations of AGN feedback in clusters that verify IXO's ability to deliver on this promise. In order to accurately predict IXO's performance, we developed a simulator, called XIM, that is publically available. XIM has two parts: It self-consistently calculates the thermal X-ray emission from a gas-dynamical simulation (taking data cubes of velocity, temperature, and density as input from any cosmological simulation). It then convolves the output spectro-image with the resonse functions for an X-ray telescope of choice, with an emphasis on IXO and Chandra. It can operate independently or in concert with the Chandra simulator MARX (and future IXO simulators). Its main purpose is for numerical simulators to easily predict accurately the X-ray signal of a simulated cluster detected by different telescopes.

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