oMEGACat. VII. Tracing Interstellar and Intracluster Medium of $\omega$ Centauri using Sodium Absorptions

Z. Wang, A. C. Seth, M. Latour +14

We investigate the foreground interstellar medium along the line of sight and intracluster medium of $\omega$ Centauri ($\omega$ Cen) by measuring the equivalent width of Na I D absorptions…