Variability in NGC 3201 giant stars and its impact on their spectroscopic [Fe/H] determination

Á. Llancaqueo Albornoz, S. Villanova, C. C. Cortés +2

We present the analysis of 34 light curves in $V$ and $I$ of 17 giant stars in the globular cluster NGC 3201, to check if such stars are variable and if their variability has some…