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Stellar population astrophysics (SPA) with the TNG -- The chemical content of the red supergiant population in the Perseus complex
C. Fanelli, L. Origlia, E. Oliva +3
Context. The Perseus complex in the outer disk of the Galaxy hosts a number of clusters and associations of young stars. Gaia is providing a detailed characterization of their kine…
Expanding the time domain of multiple populations: evidences of nitrogen variations in the ~1.5 Gyr old star cluster NGC 1783
M. Cadelano, E. Dalessandro, M. Salaris +5
We present the result of a detailed analysis of HST UV and optical deep images of the massive and young (~1.5 Gyr) stellar cluster NGC 1783 in the Large Magellanic Cloud. This syst…
Slowly cooling white dwarfs in M13 from stable hydrogen burning
J. Chen, F. R. Ferraro, M. Cadelano +6
White Dwarfs (WDs) are the final evolutionary product of the vast majority of stars in the Universe. They are electron-degenerate structures characterized by no stable thermonuclea…
Early dynamics and violent relaxation of multi-mass rotating star clusters
A. R. Livernois, E. Vesperini, M. Tiongco +2
We present the results of a study aimed at exploring, by means of N-body simulations, the evolution of rotating multi-mass star clusters during the violent relaxation phase, in the…
High-resolution extinction map in the direction of the strongly obscured bulge fossil fragment Liller 1
Cristina Pallanca, Francesco R. Ferraro, Barbara Lanzoni +12
We used optical images acquired with the Wide Field Camera of the Advanced Camera for Surveys onboard the Hubble Space Telescope and near-infrared data from GeMS/GSAOI to construct…
On the Nitrogen variation in ~2 Gyr old massive star clusters in the Large Magellanic Cloud
S. Martocchia, C. Lardo, M. Rejkuba +8
We present ESO/VLT FORS2 low resolution spectroscopy of red giant branch stars in three massive, intermediate age ( Gyr) star clusters in the Large Magellanic Cloud.…