2 papers
astro-ph.SR2026
Something new under the Sun: A magnetically driven CH/CN anti-correlation
Y. Momany, L. Monaco, S. Villanova +11
Spectroscopic monitoring surveys have shown that the magnetic cycle alters the photospheric structure of the Sun, perturbing the formation of molecular lines. In parallel, the stud…
astro-ph.GA2025
C and N abundances in globular clusters. I. The case of 47 Tuc and the effect of the first dredge-up
S. Villanova, L. Monaco, Y. Momany +2
Globular clusters exhibit star-to-star chemical variations, traceable through both photometric and spectroscopic data. In this study, we investigate chemical variations in the glob…