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Dynmamical Effects on Galaxies in Clusters

  • Ben Moore
  • Neal Katz
  • George Lake
Conference paper
Part of the International Astronomical Union / Union Astronomique Internationale book series (IAUS, volume 171)

Abstract

For nearly 20 years, we’ve known that clusters at z≳0.3 have a substantial population of “blue galaxies” seen only as fuzzy blobs in ground based images (Butcher & Oemler 1978, 1984). Hubble Space Telescope (HST) images reveal that these “fuzzy blue blobs” are low luminosity, often disturbed, spiral galaxies “Sp” (Dressler et al 1994a,b, Couch et al 1994). Today, rich galaxy clusters are dominated by elliptical “E” and lenticular “S0” galaxies (Dressler 1980), mostly low luminosity dwarfs.

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Copyright information

© Springer Science+Business Media Dordrecht 1996

Authors and Affiliations

  • Ben Moore
    • 1
  • Neal Katz
    • 1
  • George Lake
    • 1
  1. 1.Department of AstronomyUniversity of WashingtonSeattleUSA

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