Globular Cluster Formation in Cooling Flow or Interacting Galaxies

Physics

Scientific paper

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Hst Proposal Id #5212 Galaxies &Amp, Clusters Peculiar/Interacting

Scientific paper

We propose to search for young globular clusters in two cooling flow galaxies and two isolated interacting galaxies. Sufficiently deep images will be obtained to be able to detect young globular clusters if they exist, as well as sample some of the primordial globular clusters which presumably exist in these galaxies. The detection of young globulars in either type of galaxy will provide important clues for the formation mechanism of globulars. If young clusters are found, a study of the luminosity function of the clusters should help to distinguish between scenarios in which cluster formation is ongoing and those in which clusters are formed in bursts. In addition, we propose observations of the galaxy NGC 1275, in which young clusters were detected with WFPC-1. These observations will probe to the faintest globular clusters, and the observed luminosity function will help to distinguish between different formation mechanisms for the young clusters.

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