Ji Yang2; Jielong Zhang1; Zhiyong Cai2; Dengrong Lu2; Youheng Tan1
Source Publicationchinesejournalofastronomyandastrophysics
AbstractThe distribution of dense molecular gas around the supernova rem- nant G40.5-0.5 has been investigated by radio spectroscopic observations in the CO (J=1 - 0) transition. The molecular gas is found to extend over the entire region of G40.5-0.5. A molecular shell, with a diameter of ~ 26′, coincides with the ionized gas as revealed by the cm-radio observations. This coincidence, along with the velocity discontinuity following the shell, provides direct evidence for interaction between the ionized gas and the dense molecular gas. No clear evidence for cosmic-ray accelera- tion can be identified from this SNR as previously suggested, due to positional uncertainty in relating the SNR shell defined by CO to the EGRET gamma-ray sources, GRO J1904+06, from the gamma-ray observations.
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
Ji Yang,Jielong Zhang,Zhiyong Cai,et al. moleculargasdistributionaroundthesupernovaremnantg40505[J]. chinesejournalofastronomyandastrophysics,2006,6(2):210.
APA Ji Yang,Jielong Zhang,Zhiyong Cai,Dengrong Lu,&Youheng Tan.(2006).moleculargasdistributionaroundthesupernovaremnantg40505.chinesejournalofastronomyandastrophysics,6(2),210.
MLA Ji Yang,et al."moleculargasdistributionaroundthesupernovaremnantg40505".chinesejournalofastronomyandastrophysics 6.2(2006):210.
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