3 papers
astro-ph.IM2025
Why the Northern Hemisphere Needs a 30-40 m Telescope and the Science at Stake: Resolved Stellar Populations Studies in M31 and its Satellites
C. Gallart, E. Fernández-Alvar, A. B. A. Queiroz +48
A 30 m class optical/near-IR telescope in the Northern Hemisphere, equipped for diffraction-limited imaging and high-resolution, multi-object spectroscopy of faint stars, would ena…
astro-ph2005
Sulphur abundances in Terzan 7
E. Caffau, P. Bonifacio, R. Faraggiana +1
We present here the first measurements of sulphur abundances in extragalactic stars. We make use of high resolution spectra, obtained with UVES at the ESO 8.2 m Kueyen telescope, o…
astro-ph2004
VLT FORS-1 observations of NGC 6397: Evidence for mass segregation
G. Andreuzzi, V. Testa, G. Marconi +3
We present (V,V-I) VLT-FORS1 observations of the Galactic Globular Cluster NGC 6397. We derive accurate color--magnitude diagrams and luminosity functions (LFs) of the cluster Main…