Mathematics – Logic
Scientific paper
Dec 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aas...193.3814b&link_type=abstract
American Astronomical Society, 193rd AAS Meeting, #38.14; Bulletin of the American Astronomical Society, Vol. 30, p.1303
Mathematics
Logic
Scientific paper
We present results from deep R-band imaging in the cores of a half dozen clusters in the redshift range z{ = }0.04-0.07. The clusters are similar to Coma in richness, but display a range of morphological types. The data were obtained with the Low Resolution Imaging Spectrometer on the Keck II telescope; the fields are 7.5('{x }5^') in size, and the limiting magnitude is typically R ~ 27. All of central cluster galaxies possess extensive systems of globular clusters. We present the luminosity functions and radial number density profiles of the globulars and the resolved dwarf galaxy populations. One cluster in the sample was found to exhibit strong lensing of a distant background galaxy. We discuss this object and further implications of the data set for lensing by low-redshift clusters.
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