CO observations of the Perseus OB2 dark cloud and the W 44 molecular cloud

Mapping observations of the Perseus OB2 dark cloud and the supernova remnant W 44 region were made with the CO 115-GHz (J=1-0) line. In the Perseus object, the CO antenna-temperature distribution was found to be similar to that of OH 1667-MHz emission, and the existence of a large CO-emitting region around the reflection nebula NGC 1333 was found. In the W 44 region, two molecular clouds of different radial velocities were seen; a 45-kms-1 cloud is distributed along the shell of W 44 and coincident in position with the one previously detected with H2CO and OH absorption lines, and a 35-kms-1 cloud was first observed but has no radio continuum counter-part. The present data are preliminary results of the galactic CO survey with the 1.5-m radio telescope at the Kisarazu Technical College. (auth.)