Discovery of Volatile Gas in the Giant Impact Disk around the 150-Myr old HD 23514

Kate Y. L. Su, Attila Moór, Chengyan Xie +8

We report the discovery of CO${}_2$ gas emission around HD 23514, an F5V star in the $\sim$150 Myr-old Pleiades cluster, hosting one of the rare giant-impact disks with unique minera…