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The Effects of Seeing on the Photometric Properties of Elliptical Galaxies

Saglia, R.P; Bertschinger, Edmund; Baggley, Glenn; Burstein, David; Colless, Matthew; Davies, R.L; McMahan, Robert K. Jr; Wegner, Gary


The effects of seeing on the photometric properties of elliptical galaxies and, in particular, on the D_n_-{sigma} and fundamental plane distance estimators are studied. A new family of functions for the analytical approximation of the point spread function (psf) is introduced and is shown to fit stellar images better than the widely used Gaussian and Moffat functions. Seeing effects are computed for circular mean surface brightness distributions using the R^1/4^ law and models with more and...[Show more]

CollectionsANU Research Publications
Date published: 1993
Type: Journal article


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