198 citations · 363 across the 15 of their papers we have counts for
15 papers
Beryllium enhancement in stars of the accreted Thamnos-2 system
Paolo Molaro, Piercarlo Bonifacio, Elisabetta Caffau +2
Surveys of Galactic halo stars have revealed numerous streams and substructures tracing stellar populations accreted by the Milky Way. Among these, Gaia-Sausage-Enceladus (GSE) and…
Gaia-Sausage-Enceladus: Lithium evolution from early red-giant-branch and main-sequence stars
C. T. Nguyen, G. Cescutti, M. M. Bennedik +3
The combination of data from the Gaia satellite and large ground-based spectroscopic surveys recently lead to a milestone understanding of our Galaxy's formation history, marked by…
Unlocking the mystery of Sr synthesis in the early Galaxy through analysis of barium isotopes in very metal-poor stars
T. M. Sitnova, L. Lombardo, L. I. Mashonkina +8
We determine the contributions of the rapid (r) and slow (s) neutron capture processes to the Ba isotope mixture, along with Ba, Eu, and Sr NLTE abundances, in a sample of very met…
A Sequoia stellar candidate with very high 7Li and 9Be
L. Monaco, E. Caffau, P. Molaro +2
Aims. The metal-poor star BPM 3066 belongs to the retrograde halo and presents unexpectedly strong spectral features of lithium. To gain insight into the origin of this peculiar ab…
Explaining the ratio in the Galactic halo: the contribution from shell mergers in primordial massive stars
F. Rizzuti, G. Cescutti, P. Molaro +5
Recent campaigns of observations have provided new measurements of the carbon isotopes in the most metal-poor stars of the Galaxy. These stars are so metal-poor that they could onl…
High N/O ratio at high redshift as a result of a strong burst of star formation and differential galactic winds
F. Rizzuti, F. Matteucci, P. Molaro +2
Recent observations by JWST have revealed supersolar N abundances in galaxies at very high redshift. On the other hand, these galaxies show subsolar metallicity. The observe…
Tracing the Milky Way spiral arms with 26Al -- The role of nova systems in the 2D distribution of 26Al
Arianna Vasini, Emanuele Spitoni, Francesca Matteucci +2
Massive stars are one of the most important and investigated astrophysical production sites of Al, a short-lived radioisotope with 1 Myr half-life. Its short lifetime…
There is No Place Like Home -- Finding Birth Radii of Stars in the Milky Way
Yuxi Lu, Ivan Minchev, Tobias Buck +6
Stars move away from their birthplaces over time via a process known as radial migration, which blurs chemo-kinematic relations used for reconstructing the Milky Way (MW) formation…
7Be detection in the 2021 outburst of RS Oph
P. Molaro, L. Izzo, P. Selvelli +7
The recurrent nova RS Oph underwent a new outburst on August 8, 2021, reaching a visible brightness of V = 4.8 mag. Observations of the 2021 outburst made with the high resolution…
Detection of Be II in the Small Magellanic Cloud
Luca Izzo, Paolo Molaro, Gabriele Cescutti +8
We analyse high resolution spectra of two classical novae that exploded in the Small Magellanic Cloud. Be II resonance transitions are detected in both ASASSN-19qv and ASASSN-2…
7Be in the outburst of the ONe nova V6595 Sgr
P. Molaro, L. Izzo, V. D'Odorico +7
We report the search for 7Be isotope in the outbursts of the classical nova V6595 Sgr by means of high resolution UVES observations taken at the ESO VLT in April 2021, about two we…
Lithium and Beryllium in the Gaia-Enceladus Galaxy
Paolo Molaro, Gabriele Cescutti, Xiaoting Fu
Data from Gaia DR2 and APOGEE surveys revealed a relatively new component in the inner Galactic halo, which is likely the dynamical remnant of a disrupted dwarf galaxy named Gaia-E…
Lithium in the closest satellite of our Milky Way
G. Cescutti, P. Molaro, X. Fu
Recently, we studied the chemical evolution of lithium in the thin disc of the Milky Way. We found that the best agreement with the observed Li abundances in the thin disc is obtai…
Li evolution in the thin and thick disks of the Milky Way
Gabriele Cescutti, Paolo Molaro
Recent detection of the isotope Be (that decays into Li) in the outburst of classical novae confirms the suggestion made in the 70s that novae could make Li. We reconsi…
Estimating stellar birth radii and the time evolution of the Milky Way's ISM metallicity gradient
I. Minchev, F. Anders, A. Recio-Blanco +14
We present a semi-empirical, largely model-independent approach for estimating Galactic birth radii, r_birth, for Milky Way disk stars. The technique relies on the justifiable assu…