# # Program information file # PROGRAM_ID 2023A947 PROGRAM_TITLE Evidence for Delivery Mechanisms in Debris Disks with ALMA CO Detections PROGRAM_INV1 Isabel Rebollido PROGRAM_INV2 PROGRAM_INV3 PROGRAM_INV4 PROGRAM_INV5 PROGRAM_SCICAT stellar PROGRAM_ABSTRACT_BEG We propose here to observe the debris disks stars HD 36546 and HD 146897 in M and K bands using IRTF/iShell to detect and characterize the CO absorption features originated in the circumstellar environment (2023A supplementary call). PROGRAM_ABSTRACT_END