The Multiscale Morphology Filter: Identifying and Extracting Spatial Patterns in the Galaxy Distribution

Details The Multiscale Morphology Filter: Identifying and Extracting Spatial Patterns in the Galaxy Distribution The Multiscale Morphology Filter: Identifying and Extracting Spatial Patterns in the Galaxy Distribution

2007-05-15

arxiv.org/abs/0705.2072v2

Astron.Astrophys.474:315,2004

Astronomy and Astrophysics

Astrophysics

Replacement with higher resolution figures. 28 pages, 17 figures. For Full Resolution Version see: http://www.astro.rug.nl/~

Scientific paper

10.1051/0004-6361:20077880

We present here a new method, MMF, for automatically segmenting cosmic structure into its basic components: clusters, filaments, and walls. Importantly, the segmentation is scale independent, so all structures are identified without prejudice as to their size or shape. The method is ideally suited for extracting catalogues of clusters, walls, and filaments from samples of galaxies in redshift surveys or from particles in cosmological N-body simulations: it makes no prior assumptions about the scale or shape of the structures.}

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