spatstat (version 1.37-0)

shapley: Galaxies in the Shapley Supercluster

Description

A point pattern recording the sky positions of 4215 galaxies in the Shapley Supercluster.

Usage

data(shapley)

Arguments

format

shapley is an object of class "ppp" representing the point pattern of galaxy locations (see ppp.object).

shapley.extra is a list containing additional data described under Notes.

source

M.J. Drinkwater, Department of Physics, University of Queensland

References

Drinkwater, M.J., Parker, Q.A., Proust, D., Slezak, E. and Quintana, H. (2004) The large scale distribution of galaxies in the Shapley Supercluster. Publications of the Astronomical Society of Australia 21, 89-96. DOI 10.1071/AS03057

Examples

Run this code
data(shapley)
  shapley.extra$plotit(main="Shapley Supercluster")

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