Near-Infrared Observations of RR Lyrae Variables in $\omega$ Centauri

M. Del Principe, A. M. Piersimoni, J. Storm +6

We present Near-Infrared (NIR) $J$ and $K_s$-band observations for 181 RR Lyrae stars in the Galactic Globular Cluster $\omega$ Cen. The comparison between predicted and empirical slope…