Ages and Metallicities of the Intergalactic Globular Cluster Population in Abell 1185

Details Ages and Metallicities of the Intergalactic Globular Cluster Population in Abell 1185 Ages and Metallicities of the Intergalactic Globular Cluster Population in Abell 1185

Jul 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004hst..prop10277w&link_type=abstract

HST Proposal ID #10277

Physics

Hst Proposal Id #10277 Stellar Populations

Scientific paper

We will obtain deep NICMOS observations of a recently discovered population of intergalactic globular clusters in the nearby galaxy cluster Abell 1185. These H band observations in conjunction with deep V and I images that we obtained with ACS in Cycle 11 will allow us to measure the ages and metallicities of these objects from their optical and near-infrared colors, which will provide important insights to their origin. We will also obtain parallel observations with both ACS and WFPC2. ACS parallel observations will be used to obtain deep images to search for intergalactic globular clusters in a different region of Abell 1185. WFPC2 parallel observations will be used to obtain images of interacting galaxy pair Arp 105, to search for globular clusters currently being ejected into intergalactic space as a result of this encounter.

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