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Off-center Nuclei in Dwarf Elliptical Galaxies

Binggeli, Bruno; Barazza, R; Jerjen, Helmut


We have searched for off-center nuclei in 78 "nucleated" dwarf elliptical (dE,N) galaxies, drawing on digitized photographic images from a previous study of Virgo cluster dwarfs. The search is based on a simple algorithm which compares the center coordinates of a series of outer elliptical isophotes with the position of the galaxy's nucleus. Monte Carlo simulations of the measuring procedure are used to assess random and systematic errors. Roughly 20% of all dwarf nuclei in the sample...[Show more]

CollectionsANU Research Publications
Date published: 2000
Type: Journal article
Source: Astronomy and Astrophysics


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