Abstract
We present the on-going activity to characterize the geometrical properties of the gas and dark matter haloes using multi-wavelength observations of galaxy clusters. The role of the SZ signal in describing the gas distribution is discussed for the pilot case of the CLASH object MACS J1206.2-0847.
Highlights
As the most massive objects in dynamical equilibrium in the Universe, galaxy clusters represent fundamental signposts in the history of structure formation and evolution
We present the on-going activity to characterize the geometrical properties of the gas and dark matter haloes using multi-wavelength observations of galaxy clusters
The properties of the ongoing physical processes in galaxy clusters can be probed at different wavelengths, using galaxy distribution as observed in optical and infrared, X-ray surface brightness and spectral observations of the intra-cluster medium (ICM), the Sunyaev-Zeldovich effect (SZe) induced from the same ICM in the mm-band, and the gravitational lensing observations of the total mass distribution
Summary
Stefano Ettori1,2,∗, Mauro Sereno, Sandra Burkutean, and Jack Sayers4 1INAF, Osservatorio di Astrofisica e Scienza dello Spazio, via P. Gobetti 93/3, 40129 Bologna, Italy 2INFN, Sezione di Bologna, viale Berti Pichat 6/2, I-40127 Bologna, Italy 3INAF, Istituto di Radioastronomia – Italian ARC, via P. Gobetti 101, 40129, Bologna, Italy 4California Institute of Technology, 200 E California Blvd., Pasadena, CA 91125
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