Other
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21714921f&link_type=abstract
American Astronomical Society, AAS Meeting #217, #149.21; Bulletin of the American Astronomical Society, Vol. 43, 2011
Other
Scientific paper
We report the first results of the analysis of more than 500 optical spectra and near-infrared photometry targeting the galaxies of the Abell 85 cluster and its filament. Our team discovered the filament initially using X-ray observations. Recently, in order to study the dynamical and star formation properties, we have further supplemented our dataset with more than 500 new spectra covering cluster galaxies down to r'=21. We have also obtained J, H, and K images of approximately one square degree covering the cluster and its Southern filament. We present here a study of how the specific star formation, i.e. the star formation normalized by stellar mass, of the member galaxies varies in the different environments of the cluster: core, filament, and other external regions.
Durret Florence
Edwards Louise O. V.
Fadda Dario
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