SNR IC443 was observed with 13.7m telescope on 2011 May 4-6. The OTF observation time is about 22h and the summary of the results is as follows:

Figure 1: 12CO(1-0) image of SNR IC443 in the interval of -7km/s to -1km/s.

Figure 2: 13CO(1-0) image of SNR IC443 in the interval of -8km/s to -1km/s.

The distribution of the molecular gas is similar to the 12CO(1-0) observation.

 

（image or by SU Yang）

Figure 3: 12CO(1-0) image of SNR IC443 in the interval of -30km/s to -8km/s.

The "W" shape is from the shocked gas which is disturbed by SNR shock.