10 papers
Reassessing the low- massive sequence stars in Gaia RVS
G. Nandakumar, G. Kordopatis, M. Schultheis +4
Recently, a chemically depleted young massive stellar population was identified using the spectroscopic catalogue of Gaia DR3. To explain its characteristics, a recent enhanced sta…
The effects of yields from binary massive stars as functions of metallicity
E. Pepe, E. Spitoni, F. Matteucci +1
Massive stars in binary systems that undergo mass transfer during their lifetime have a different evolution from that of single stars, possibly affecting their chemical yields. Whi…
Co-evolution of the Milky Way high- and low-α sequences with chemical evolution models
V. Grisoni, E. Spitoni, F. Matteucci
Observational data have revealed a clear dichotomy in the [α/Fe] vs. [Fe/H] diagram of the Milky Way thick and thin disc stars. Many recent studies have shown evidences of a co-ev…
The time-delay model and its applications to galactic archaeology
Francesca Matteucci
The time-delay model is the way we interpret the diagram [X/Fe] vs. [Fe/H], where X is the abundance of a generic element from carbon to uranium. This interpretation is based on th…
The chemical DNA of the Magellanic Clouds VI. Origin and evolution of neutron-capture elements in the SMC
Marco Palla, Alessio Mucciarelli, Donatella Romano +2
Context. In the context of galactic archaeology, the study of the Small Magellanic Cloud (SMC) is of crucial importance, as it represents a unique opportunity to study a nearby mas…
On the Use of Field RR Lyrae as Galactic Probes -- VIII. Early Formation of the Galactic Spheroid
G. Bono, V. F. Braga, M. Fabrizio +54
We introduce a new photometric catalog of RR Lyrae variables (RRLs, 300,000) mainly based on data available in public datasets. We also present the largest and most homogeneo…