Browsing Articles by Author "West, Michael J."

Browsing Articles by Author "West, Michael J."

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    Alignments of the dominant galaxies in poor clusters 
    Fuller, Todd M.; West, Michael J.; Bridges, Terry J. (American Astronomical SocietyIOP Science, 1999-07-01)
    We have examined the orientations of brightest cluster galaxies (BCGs) in poor MKW (Morgan, Kayser, and White) and AWM (Albert, White, and Morgan) clusters and find that, like their counterparts in richer Abell clusters, ...

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    Evidence for the hierarchical formation of the galactic spheroid 
    West, Michael J.; Cote, Patrick; Marzke, Ronald O.; Minniti, Dante (American Astronomical Society, 2000-04)
    The possibility that the Galactic spheroid was assembled from isolated, chemically distinct proto-Galactic fragments is investigated using a Monte Carlo technique designed to simulate the chemical evolution of the Galaxy ...

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    The formation of giant elliptical galaxies and their globular cluster systems 
    West, Michael J.; Cote, Patrick; Marzke, Ronald O. (American Astronomical Society, 1998-07)
    We examine the formation of giant elliptical galaxies using their globular cluster (GC) systems as probes of their evolutionary history. The bimodal distributions of GC metallicities in such galaxies are often cited as ...

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    Nonthermal X-ray emission: an alternative to cluster cooling flows? 
    McCarthy, Ian G.; West, Michael J.; Welch, Gary A. (American Astronomical SocietyIOP Publishing, 2002-03-10)
    We report the results of experiments aimed at reducing the major problem with cooling flow models of rich cluster X-ray sources, i.e., the fact that most of the cooled gas or its products have not been found. Here we show ...