Zhang Zhiyu1; Gao Yu1; Wang Junzhi2
Source Publicationsciencechinaphysicsmechanicsastronomy
AbstractWe present our ~(12)CO and ~(13)CO mapping observations of SNR IC 443 interacting with molecular clouds. It is the first largescale high-resolution ~(13)CO mapping observation in the surrounding region. The morphologies of IC 443 in~(12)CO and ~(13)CO are compared with the optical, infrared, Spitzer far-infrared, X-ray, and neutral atomic gas (HI). We also make comparison and analysis in the kinematics, using the date-cubes of ~(12)CO, ~(13)CO and HI, to help distinguish the complicated gas motions in the shocked regions. Based on the work of Wang & Scoville (1992), we present a new model to explain the coexistence of multiple shocks with different speeds in a pc-scale region at the central clump B. We test this new model by analyzing the HI and CO distribution in both velocity and space domain. We also establish the relationship between the dissociation rate of shocked molecular gas and the shock velocity in this region. Finally, we derive the optical depth of ~(12)CO with the ~(13)CO spectra in clump B, and discuss the validity of the assumption of optically thin emission for the shocked ~(12)CO
Document Type期刊论文
First Author Affilication中国科学院紫金山天文台
Recommended Citation
GB/T 7714
Zhang Zhiyu,Gao Yu,Wang Junzhi. coobservationofsnric443t[J]. sciencechinaphysicsmechanicsastronomy,2010,53(7):1357.
APA Zhang Zhiyu,Gao Yu,&Wang Junzhi.(2010).coobservationofsnric443t.sciencechinaphysicsmechanicsastronomy,53(7),1357.
MLA Zhang Zhiyu,et al."coobservationofsnric443t".sciencechinaphysicsmechanicsastronomy 53.7(2010):1357.
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