Mathematics – Logic
Scientific paper
Jul 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999hst..prop.8325d&link_type=abstract
HST Proposal ID #8325
Mathematics
Logic
Hst Proposal Id #8325 Clusters Of Galaxies And Lensing
Scientific paper
We propose to use WFPC2 to obtain high quality morphological information on galaxies within 9 X-ray-selected poor clusters at z=0.2-0.3. These morphologies will be combined with information on the stellar populations of the galaxies from our on-going spectroscopic survey of these systems to provide a complete view of the morphological and spectral evolution of galaxies within these clusters. The results of this analysis will be contrasted with the conclusions of previous HST/spectral studies of much richer clusters to provide a clearer understanding of the physical processes which operate on galaxies and how these vary with environment. One Specific goal is to test recent claims that the ram-pressure of the intra-cluster medium causes a morphological and spectroscopic transformation of star forming disk galaxies into S0 galaxies.
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