Extraction of cluster parameters from Sunyaev-Zeldovich effect observations with simulated annealing optimization
Astrophysics
2009-11-10 v1
Abstract
We present a user-friendly tool for the analysis of data from Sunyaev-Zeldovich effect observations. The tool is based on the stochastic method of simulated annealing, and allows the extraction of the central values and error-bars of the 3 SZ parameters, Comptonization parameter, y, peculiar velocity, v_p, and electron temperature, T_e. The f77-code SASZ will allow any number of observing frequencies and spectral band shapes. As an example we consider the SZ parameters for the COMA cluster.
Cite
@article{arxiv.astro-ph/0310149,
title = {Extraction of cluster parameters from Sunyaev-Zeldovich effect observations with simulated annealing optimization},
author = {Steen H. Hansen},
journal= {arXiv preprint arXiv:astro-ph/0310149},
year = {2009}
}
Comments
8 pages, 2 figures. code + user guide can be downloaded from http://krone.physik.unizh.ch/~hansen/sz/