PIRSA:09050011 Conference Cosmology

DOI10.48660/09050011

Conference/School: Sunyaev-Zeldovich Universe and the Future of Cluster Cosmology - 2009

Crawford, T. (2009). Optimal Filtering: A Real-World Example. Perimeter Institute. https://pirsa.org/09050011

Crawford, Tom. Optimal Filtering: A Real-World Example. Perimeter Institute, May. 01, 2009, https://pirsa.org/09050011 

@misc{ pirsa_PIRSA:09050011,
  doi = {10.48660/09050011},
  url = {https://pirsa.org/09050011},
  author = {Crawford, Tom},
  keywords = {Cosmology},
  language = {en},
  title = {Optimal Filtering: A Real-World Example},
  publisher = {Perimeter Institute},
  year = {2009},
  month = {may},
  note = {PIRSA:09050011 see, \url{https://pirsa.org}}
}

Abstract

Extracting compact sources from maps contaminated with noise and unwanted astrophysical signals is a well-studied problem. In anticipation of the now-current generation of large-scale SZ surveys, many authors arrived at the conclusion that a simple multi-scale spatial/spectral filter would be the optimal way to find galaxy clusters in data from these surveys. I will briefly present the basics of the spatial/spectral optimal filter and then show in some detail how this has been implemented in one real-world case, namely in data from the South Pole Telescope (SPT) survey.

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