478 citations · 4.2k across the 57 of their papers we have counts for
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astro-ph2008★ 57 cited
Ground-based CCD astrometry with wide field imagers. III. [email protected] proper-motion catalog of the globular cluster omega Centauri
A. Bellini, G. Piotto, L. R. Bedin +6
Omega Centauri is the most well studied Globular Cluster because of its numerous puzzling features. Intensive spectroscopic follow-up observing campaigns targeting stars at differe…
astro-ph2007★ 210 cited
The multiplicity of the subgiant branch of Omega Centauri: Evidence for prolonged star formation
S. Villanova, G. Piotto, I. R. King +9
We present metallicity measurements based on GIRAFFE@VLT spectra of 80 subgiant-branch stars of the Galactic globular cluster Omega Centauri. The VLT spectroscopic data are complem…