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Integrated photometry of multiple stellar populations in Globular Clusters
S. Jang, A. P. Milone, E. P. Lagioia +8
Evidence that the multiple populations (MPs) are common properties of globular clusters (GCs) is accumulated over the past decades from clusters in the Milky Way and in its satelli…
High resolution spectroscopic follow-up of the most metal-poor candidates from SkyMapper DR1.1
D. Yong, G. S. Da Costa, M. S. Bessell +13
We present chemical abundances for 21 elements (from Li to Eu) in 150 metal-poor Galactic stars spanning 4.1 [Fe/H] 2.1. The targets were selected from the SkyMapper…
R-Process elements from magnetorotational hypernovae
D. Yong, C. Kobayashi, G. S. Da Costa +11
Neutron-star mergers were recently confirmed as sites of rapid-neutron-capture (r-process) nucleosynthesis. However, in Galactic chemical evolution models, neutron-star mergers alo…
Spectroscopy and photometry of the least-massive Type-II globular clusters: NGC1261 AND NGC6934
A. F. Marino, A. P. Milone, A. Renzini +10
Recent work has revealed two classes of Globular Clusters (GCs), dubbed Type-I and Type-II. Type-II GCs are characterized by a blue- and a red- red giant branch composed of stars w…
Mass loss law for red giant stars in simple population globular clusters
M. Tailo, A. P. Milone, E. P. Lagioia +12
The amount of mass lost by stars during the red-giant branch (RGB) phase is one of the main parameters to understand and correctly model the late stages of stellar evolution. Never…