Probing the Dust and Gas in the Transitional Disk of CS Cha with Spitzer

Catherine Espaillat, Nuria Calvet, Paola D'Alessio +10

Here we present the Spitzer IRS spectrum of CS Cha, a member of the ~2 Myr old Chamaeleon star-forming region, which reveals an optically thick circumstellar disk truncated at ~43…