M. Salaris

Cluster Ages to Reconstruct the Milky Way Assembly (CARMA)

E. Ceccarelli, D. Massari, Fernando Aguado Agelet, A. Mucciarelli et autres

The system of globular clusters (GCs) in the Milky Way (MW) comprises a mixture of both in situ and accreted clusters. Tracing the origin of GCs provides invaluable insights into the formation history of the MW. However, reconciling diverse strands of evidence …

es, it, gb (code pays fourni par la source)

James Webb Space Telescope observations of the white dwarf cooling sequence of 47 Tucanae

M. Salaris, M. Scalco, L. R. Bedin, S. Cassisi

We present a study of the white dwarf (WD) cooling sequence of the globular cluster 47 Tucanae (47 Tuc or NGC 104) using deep infrared observations with the James Webb Space Telescope (JWST). By combining these data with ultra-deep optical imaging from …

gb, it (code pays fourni par la source)

The Hubble Missing Globular Cluster Survey

D. Massari, M. Bellazzini, M. Libralato, A. Bellini et autres

We present the Hubble Missing Globular Cluster Survey (MGCS), a Hubble Space Telescope Treasury Program dedicated to the observation of all kinematically confirmed Milky Way globular clusters that missed previous Hubble imaging. After introducing the aims of the programme and describing its …

Cluster Ages to Reconstruct the Milky Way Assembly (CARMA). III. NGC 288 as the first Splashed globular cluster

E. Ceccarelli, D. Massari, Fernando Aguado Agelet, A. Mucciarelli et autres

The system of globular clusters (GCs) in the Milky Way (MW) comprises a mixture of both in situ and accreted clusters. Tracing the origin of GCs provides invaluable insights into the formation history of the MW. However, reconciling diverse strands of evidence …

The $Hubble$ Missing Globular Cluster Survey. I. Survey overview and the first precise age estimate for ESO452-11 and 2MASS-GC01

D. Massari, M. Bellazzini, M. Libralato, A. Bellini et autres

We present the $Hubble$ Missing Globular Cluster Survey (MGCS), a $Hubble$ $Space$ $Telescope$ Treasury Program dedicated to the observation of all kinematically confirmed Milky Way globular clusters that missed previous $Hubble$ imaging. After introducing the aims of the programme and describing its …

Testing the sources of the peculiar abundances in globular clusters

Ricardo J. Vaca, I. Cabrera-Ziri, G. Magris, N. Bastian et autres

This work aims to analyze some of the polluters proposed in the self-enrichment scenarios put forward to explain the multiple populations in globular clusters (GCs), extending previous studies. Three scenarios with different polluter stars were tested: asymptotic giant branch stars (AGBs), high-mass …

ar, ve, de, es, it, gb (code pays fourni par la source)

The true nature of HE 0057-5959, the most metal-poor, Li-rich star

A. Mucciarelli, P. Bonifacio, L. Monaco, M. Salaris et autres

The Li-rich stars are a class of rare objects with a surface lithium abundance, A(Li), that exceeds that of other stars in the same evolutionary stage. The origin of these stars is still debated, and valuable routes to look at include the …

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Benchmarking the effective temperature scale of red giant branch stellar models: The case of the metal-poor halo giant HD 122563

O. L. Creevey, S. Cassisi, F. Thévenin, M. Salaris et autres

Context. There is plenty of evidence in the literature of significant discrepancies between the observations and models of metal-poor red giant branch stars, in particular regarding the effective temperature Teff scale. Aims. We revisit the benchmark star HD 122563 using the most …

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OGLE GD-CEP-0516: the most metal-poor lithium-rich Galactic Cepheid

G. Catanzaro, V. Ripepi, M. Salaris, E. Trentin

Classical Cepheids (DCEPs) are important astrophysical objects not only as standard candles for the determination of the cosmic distance ladder but also as a test-bed for the stellar evolution theory, thanks to the connection between their pulsation (periods, amplitudes) and stellar (luminosity, …

OGLE-GD-CEP-0516: The most metal-poor lithium-rich Galactic Cepheid

G. Catanzaro, V. Ripepi, M. Salaris, E. Trentin

Context. Classical Cepheids (DCEPs) are important astrophysical objects not only as standard candles for the determination of the cosmic distance ladder but also as a test-bed for stellar evolution theory thanks to the connection between their pulsation (periods, amplitudes) and stellar (luminosity, …

it, gb, de (code pays fourni par la source)

VizieR Online Data Catalog: Lithium in NGC 2243 and NGC 104 (Aoki+, 2021)

M. Aoki, F. Primas, L. Pasquini, A. Weiß et autres

VizieR Online Data Catalog: Kepler red-clump stars in NGC6819 and NGC6791 (Bossini+, 2017)

D. Bossini, A. Miglio, M. Salaris, M. Vrard et autres