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 Australia21, 89-96. DOI 10.1071/AS03057