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Pulling Out Threads from the Cosmic Tapestry: Defining Filaments of Galaxies

Published online by Cambridge University Press:  05 March 2013

Kevin A. Pimbblet
Kevin A. Pimbblet*
Affiliation:
Department of Physics, University of Queensland, Brisbane QLD 4072, Australia. Email: pimbblet@physics.uq.edu.au
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Abstract

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Filaments of galaxies are the dominant feature of modern large-scale redshift surveys. They can account for up to perhaps half of the baryonic mass budget of the Universe and their distribution and abundance can help constrain cosmological models. However, there remains no single, definitive way in which to detect, describe, and define what filaments are and their extent. This work examines a number of physically motivated, as well as statistical, methods that can be used to define filaments and examines their relative merits.

Keywords

large-scale structure of Universecosmology: observationsmethods: observational
Type
Research Article
Information
Publications of the Astronomical Society of Australia , Volume 22 , Issue 2 , 2005 , pp. 136 - 143
Copyright
Copyright © Astronomical Society of Australia 2005

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