277 citations · 2.7k across the 58 of their papers we have counts for
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astro-ph1998★ 2 cited
The outer-halo globular cluster NGC 6229. III. Deep CCD photometry
J. Borissova, M. Catelan, F. R. Ferraro +5
Deep BV photometry for a large field covering the outer-halo globular cluster NGC 6229 is presented. For the first time, a colour-magnitude diagram (CMD) reaching below the main se…
astro-ph1998★ 124 cited
The Second-Parameter Effect in Metal-Rich Globular Clusters
A. V. Sweigart, M. Catelan
Recent Hubble Space Telescope observations have found that the horizontal branches (HB's) in the metal-rich globular clusters NGC 6388 and NGC 6441 slope upward with decreasing B-V…