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Chemical analysis of Asymptotic Giant Branch stars in M62
E. Lapenna, A. Mucciarelli, F. R. Ferraro +4
We have collected UVES-FLAMES high-resolution spectra for a sample of 6 asymptotic giant branch (AGB) and 13 red giant branch (RGB) stars in the Galactic globular cluster M62 (NGC6…
Proper motions in Terzan 5: membership of the multi-iron sub-populations and first constrain to the orbit
Davide Massari, E. Dalessandro, F. R. Ferraro +6
By exploiting two sets of high-resolution images obtained with HST ACS/WFC over a baseline of ~10 years we have measured relative proper motions of ~70,000 stars in the stellar sys…
Probing the MSP prenatal stage: the optical identification of the X-ray burster EXO 1745-248 in Terzan 5
F. R. Ferraro, C. Pallanca, B. Lanzoni +5
We report on the optical identification of the neutron star burster EXO 1745-248 in Terzan 5. The identification was performed by exploiting HST/ACS images acquired in Director's D…