52 citations · 69 across the 2 of their papers we have counts for
2 papers
astro-ph.GA2013★ 17 cited
Constraints on Helium Enhancement in the Globular Cluster M4 (NGC 6121): The Horizontal Branch Test
A. A. R. Valcarce, M. Catelan, J. Alonso-García +2
Recent pieces of evidence have revealed that most, and possibly all, globular star clusters are composed of groups of stars that formed in multiple episodes with different chemical…
astro-ph.SR2009★ 52 cited
Constraints on Helium Enhancement in the Globular Cluster M3 (NGC 5272): The Horizontal Branch Test
M. Catelan, F. Grundahl, A. V. Sweigart +2
It has recently been suggested that the presence of multiple populations showing various amounts of helium enhancement is the rule, rather than the exception, among globular star c…