Astronomical applications of distribution shape estimators

Details Astronomical applications of distribution shape estimators Astronomical applications of distribution shape estimators

Apr 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aj....105.1596b&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 105, no. 4, p. 1596-1606.

Mathematics

Probability

87

Estimating, Galactic Clusters, Kurtosis, Skewness, Velocity Distribution, Astronomical Catalogs, Asymmetry, Evolution (Development), Probability Density Functions

Scientific paper

We present alternative measures to the classical coefficients of
skewness and kurtosis, called the asymmetry and tail indices, for
comparing the shapes of one-dimensional velocity distributions. We then
apply these estimators to the Dressler and Shectman catalogs of clusters
of galaxies to compare the dynamical evolution of these systems.

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