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Ring-Like Structure in the Radio Lobe of MG0248+0641
Samuel Conner, Asantha Cooray, Andre Fletcher +6
We present radio and optical observations of MG0248+0641, which contains a kiloparsec-scale ring-like structure in one of its radio lobes. The radio observations show a typical cor…
The Ages and Abundances of the M87 Globular Clusters
Judith G. Cohen, John P. Blakeslee, Anton Ryzhov
A subset of 150 globular clusters in M87 has been selected on the basis of S/N ratio for abundance and age determinations from the sample of Paper I. Indices measuring the strength…
Globular Clusters in 19 Northern Abell Clusters
John P. Blakeslee, John L. Tonry, Mark R. Metzger
We study the globular cluster (GC) populations of 21 giant elliptical galaxies in 19 Abell clusters. This method, applied here primarily in the R band, is based on the surface brig…
The Dependence of Globular Cluster Number on Density for Abell Cluster Central Galaxies
John P. Blakeslee
A study of the globular cluster systems of 23 brightest, or central, galaxies in 19 Abell clusters has recently been completed. This Letter presents some of the newly discovered co…