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# Program information file
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PROGRAM_ID           2023A043
PROGRAM_TITLE        COnnecting the inner and outer regions of protoplanetary disks
PROGRAM_INV1         Jonathan Williams
PROGRAM_INV2         Alexa Anderson
PROGRAM_INV3         Adwin Boogert
PROGRAM_INV4          
PROGRAM_INV5          
PROGRAM_SCICAT       galactic/interstellar medium
PROGRAM_ABSTRACT_BEG
We will obtain high quality M-band spectra toward 5 protoplanetary disks in the Ophiuchus star-forming region. The primary goal is to detect and resolve the profiles of multiple CO lines and use a combined kinematic-excitation analysis to determine its abundance and location in the inner disk; a secondary goal is to detect and characterize the H2O emission. These data will connect the transport of CO from the outer to the inner disk and complements a new ALMA Large Program designed to survey outer disk C/O ratios and CO depletions.
PROGRAM_ABSTRACT_END