GASS 3505: the prototype of HI-excess, passive galaxies

K. Gereb, B. Catinella, L. Cortese +3

We present our multiwavelength analysis of a prototype \HI-excess galaxy, GASS 3505, selected based on having a large gas content ($M_{\mathrm{HI}}=10^{9.9}$ \msun) compared to its li…