We review the application of the one-dimensional Mixing Length Theory (MLT) model of
convection in stellar interiors and low-mass stellar evolution. We summarize the history of …

We develop a hybrid model of galactic chemical evolution that combines a multiring
computation of chemical enrichment with a prescription for stellar migration and the vertical …

Context. Gaia Data Release 3 (Gaia DR3) contains the second release of the combined
radial velocities. It is based on the spectra collected during the first 34 months of the nominal …

Context. The third Gaia data release (DR3) provides a wealth of new data products. The
early part of the release, Gaia EDR3, already provided the astrometric and photometric data …

Context. The chemo-physical parametrisation of stellar spectra is essential for
understanding the nature and evolution of stars and of Galactic stellar populations. A …

Context. The chemical composition of the Sun is required in the context of various studies in
astrophysics, among them in the calculation of standard solar models (SSMs) used to …

We report spectroscopic and photometric follow-up of a dormant black hole (BH) candidate
from Gaia DR3. The system, which we call Gaia BH2, contains a∼ 1 M⊙ red giant and a …

Context. The astrophysical characterisation of sources is among the major new data
products in the third Gaia Data Release (DR3). In particular, there are stellar parameters for …

Abstract Our Milky Way should host an ancient, metal-poor, and centrally concentrated
stellar population, which reflects the star formation and enrichment in the few most massive …

We derive and publish data-driven estimates of stellar metallicity [M/H] for∼ 175 million stars
with low-resolution XP spectra published in Gaia DR3. The [M/H] values, along with T eff and …