Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...20922405c&link_type=abstract
2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #224.05; Bulletin of the American Astronomical Society,
Astronomy and Astrophysics
Astronomy
Scientific paper
The observed x-ray luminosity Temperature relationship of the diffused intercluster medium clearly shows the effect of non-thermal heating on formation of galaxy clusters. Quasar feedback into the inter galactic medium can be potentially an important source, in producing the level of preheating required and can have great impact on structure formation. Using an one-dimensional Sedov-Taylor solution for modelling the outflow scales, we have studied the effect of this feedback process in the thermal Sunyaev-Zeldovich distortions of the cosmic microwave background. We have calculated the angular power spectrum of the temperature distortion, which appears to have a maximum amplitude of the order of a μK . We have also discussed the implications of this signal in the context of the upcoming Millimeter wave observations.
This research was funded by the National Science Foudation through grant AST-0408698
Chatterjee Suchetana
Kosowsky Arthur
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